Elektro texnika fani o’rgatadi
====
#
Elektr energiyasini ishlab chiqish, uzatish va undan foydalanish vositalarini o’rganadi
___________________________________________________________________________________
Elektr zanjir deb ………………………………………………ga aytiladi
====
#
Elektr energiya ishlab chiqaruvchi, uzatuvchi, nazorat qiluvchi, o’zgaruvchi va istemol qiluvchi
qurilmalar to’plami
___________________________________________________________________________________
Elektr jihozlari pasportida qiymatlar yozilgan bo’ladi
====
#Nominal
___________________________________________________________________________________
Elektr asboblar pa
sportida elektr jihozining…sxemasi berilgan bo’ladi
====
#Printsipal
___________________________________________________________________________________
Elektr jihozi ishlaganda uzoh vaqt xizmat kiladi
====
#Nominal ish rejimida
___________________________________________________________________________________
Elektr energiya bu …… energiyadir
====
#Elektr va magnit maydon
___________________________________________________________________________________
Elektr toki deb …… aytiladi
====
#Zaryadlangan zarralar tartibli harakatiga
___________________________________________________________________________________
Doimiy tok deb tokka aytiladi
====
#
Vaqt o’tishi bilan yo’nalishi va qiymatlari o’zgarmaydigan
___________________________________________________________________________________
O’zgaruvchan tok deb … tokka aytiladi
====
#
Yo’nalishi va qiymati sinus qonuni bo’yicha o’zgaradigan
___________________________________________________________________________________
Elektr zanjirining nominal ish rejimi deb …… mos bo’lgan rejim tushiniladi
====
#
Elektr zanjiridagi tok, kuchlanish elektr zanjir elementlarining zavod tomonidan ko’rsatilgan qiymatiga
___________________________________________________________________________________
O’zgaruvchan tok … parametrlar bilan xarakterlanadi
====
#
Oniy, effektiv, maksimal, o’rtacha qiymat va davr, chastota
___________________________________________________________________________________
O’zgaruvchan davri T deb … aytiladi
====
#Bir xil vaqt davomida tok kuchi, EYuK, quvvati takrorlanib turadigan vaqtga aytiladi
___________________________________________________________________________________
O’zgaruvchan tokning oniy qiymati deb, T vaqtning … qiymati tushiniladi
====
#Biror momentidagi maksimal
___________________________________________________________________________________
O’zgaruvchan tokning amplitudaviy qiymati deb T vaqt mobaynida uning … qiymati tushiniladi
====
#qabul qilgan eng maksimal
___________________________________________________________________________________
O’zgaruvchan tokning ta'sir etuvchi yoki effektiv qiymati deb ma'lum R qarshilikda …… kattalikka aytiladi
====
#
Bir davr mobaynida o’zgaruvchan tok ajratgan issiqlik mikdori o’zgarmas tok ajratgan shu vaqt
davomidagi issiq-likka teng
___________________________________________________________________________________
Sinusonda
l qonun bo’yicha o’zgaradigan tok ishlab chiqaruvchi qurilma … deyiladi
====
#Generator
___________________________________________________________________________________
O’zgaruvchan tok ishlab chiqaradigan mashina generatorlarda ……… aylanadi
====
# Mexanik energiya elektr enegiyaga
___________________________________________________________________________________
#
Atom elektrostantsiyalarida …… energiya elektr energiyaga aylantiriladi
___________________________________________________________________________________
O’zgaruvchan tokni … usulida tasvirlash mumkin
====
#Analitik
___________________________________________________________________________________
O’zgaruvchan tok tenglamasidagi (ωt+φ) ifoda tokning …… deyiladi
====
#Fazasi
___________________________________________________________________________________
Ikkita sinusondal kattaliklar boshlang’ich fazalarining (φ1 >φ2) farqi φ1φ2 = ∆ φ deyiladi
====
#Faza siljishi Fazalar farqi
___________________________________________________________________________________
Faza bo’yicha yarim davrga siljigan sinusoidal kattaliklar bir
-
biriga nisbatan …… fazada o’zgaradi deyiladi
====
#Teskari
___________________________________________________________________________________
Bir xil chastotali sinusondal kattaliklarni tasvirlovchi bitta yoki bir necha vektorlar ………… diagramma
deyiladi
====
#Vektor
___________________________________________________________________________________
Turbogenerator va gidrogenerator bir-
biridan … bilan farq qiladi
====
#Aylanish chastotasi, Juft qutblar soni
___________________________________________________________________________________
Nega o’zgaruvchan tok cha
stotasi 50 Gts qilib olingan?
====
#
Ko’zning talabi shunday
___________________________________________________________________________________
Elektr o’lchov asboblari o’zgaruvchan tokning qiymatni o’lchaydi
====
#Effektiv, ta'sir etuvchi
___________________________________________________________________________________
O’zgarmas tok zanjiridagi R qarshilik o’zgaruvchan tok zanjiridagi R qarshilik bilan bir xilmi?
====
#
O’zgaruvchan tok zanjiridagi R katta
___________________________________________________________________________________
Aktiv qarshilik, aktiv quvvat tushunchasi qanday toklarga xos?
====
#
O’zgaruvchan tokka
___________________________________________________________________________________
O’zgaruvchan tok, zanjirlarida q
uvvatning qanday ifodalari bor?
====
#
To’la
___________________________________________________________________________________
Aktiv qarshilikdan o’tgan tok … sarflanadi
====
#Umuman sarflanmaydi
___________________________________________________________________________________
P = JUcosφifoda …… quvvatni ifodalaydi
====
#Aktiv
___________________________________________________________________________________
Q = JU sinφifoda o’zgaruvchan tok … i
fodalaydi
====
#Reaktiv quvvatini
___________________________________________________________________________________
S=JU= √ R2 + Q2 ifoda o’zgaruvchan tok …………… ifodalaydi
====
#
To’la quvvatini
___________________________________________________________________________________
COSφ = P/ S ifoda ifodalaydi
====
#Quvvat koeffitsientini
___________________________________________________________________________________
ΧL=Lω ifoda o’zgaruvchan tok zanjiridagi …………… ifodalaydi
====
#Induktiv qarshilikni
___________________________________________________________________________________
Xc = 1 / Cω ifoda o’zgaruvchan tok zanjiridagi … ifodalaydi
====
#
Sig’im qarshilikni
___________________________________________________________________________________
Sig’im qarshilikdan o’zgaruvchan tok ………… sifatida foydalaniladi
====
#filtr
___________________________________________________________________________________
Kondensator
ulangan o’zgaruvchan tok zarjirida kuchlanish faza bo’yicha tok kuchidan ……bo’ladi
====
#900 keyinda
___________________________________________________________________________________
Induktiv g’altak ulangan o’zgaruv
-chan tok zanjirida kuchlanish fazo b
o’yicha tok kuchidan …… bo’ladi
====
#900 oldinda
___________________________________________________________________________________
Aktiv qarshilikli o’zgaruvchan tok zanjirida kuchlanish va tok kuchi orasidagi fazalar farqi … bo’ladi
====
#nolga teng
___________________________________________________________________________________
Kuchlanishlar rezonansi R,L,C elementlar o’zaro …………………… ulangan o’zgaruvchan tok zanjirida sodir
bo’ladi
====
#Ketma-ket
___________________________________________________________________________________
Toklar rezononsi RC L elementlar o’zaro … ulangan o’zgaruvchan tok zanjirida sodir bo’ladi
====
#Paralel
___________________________________________________________________________________
Radiotexnikada … rezonansidan te
branish konturlarida kerakli radiostantsiyalarning signallarini qabul
qilishda foydalaniladi
====
#Kuchlanishlar rezonansidan
___________________________________________________________________________________
Uch fazali tok generatorini … yilda … yaratdi
====
#1888 Doriva-Dobravol'skiy
___________________________________________________________________________________
Uch fazali
asinxron dvigatelni … yilda … yaratdi
====
#1889 Dolivo-Dobrovol'skiy
___________________________________________________________________________________
Uch fazali transformatorni … yilda … yaratdi
====
#1890 Dolivo-Dobrovolskiy
___________________________________________________________________________________
Uch fazаli elektr uzatishni dunyoda birinchi marta 175 km masofada …… yilda …… namoish qildi
====
#1891 Dolivo-Dobravolskiy
___________________________________________________________________________________
Nega aynan uch fazali tokdan foydalaniladi, ikki, to’rt, besh fazali toklardan emas?
====
#Generator yasash qulay, bu sistemada ikki xil kuchlanish olinadi
___________________________________________________________________________________
Uch
fazali tok deb bir xil chastotali va amplitudali ammo faza bo’yicha bir
-
biridan … farq qiluvchi uchta
bir fazali elektr zanjiri to’plamiga aytiladi
====
#1/2 davrga
___________________________________________________________________________________
Uch faz
ali tok generatorining EYuK vujudga keltiriladigan qismi deb, tok cho’lg’amida magnit oqimi hosil
qiladigan qismi deb ataladi
====
#yakor, induktor
___________________________________________________________________________________
Generatorda stator, rotor esa vazifasini bajaradi
====
#yakor, induktor
___________________________________________________________________________________
Uch fazali tok generatorlari statorida bir-
biriga nisbatan 1200 burchak ostida joylashgan uchta cho’lg’ami
bor, cho’lg’amlarning iste'molchi ulanadigan uchlari harflari bilan, cho’lg’am oxirlari …… harflar bilan
belgilanadi
====
#A, B, S
___________________________________________________________________________________
Uch fazali tok iste'molchilariga kiradi
====
#uch va bir fazali elektr dvigatellar va bir fazali elektr jixozlari
___________________________________________________________________________________
Uch faza
li tok generatori cho’lg’am uchlarini yulduz usulida ulash deb ulashga aytiladi
====
#
cho’lg’am oxirlari o’zaro tutashtirilgan, uchlari bo’sh bo’lgan
___________________________________________________________________________________
Uch fazali tok generat
ori cho’lg’am uchlarini uchburchak usulida ulash uchun … ulanish lozim
====
#
birinchi cho’lg’am oxiri ikkinchi cho’lg’am boshiga,ikkinchi cho’lg’am oxiri uchunchi cho’lg’am boshiga,
uchunchi cho’lg’am oxiri birinchi cho’lg’am boshiga
___________________________________________________________________________________
Uch fazali tok generatori cho’lg’am uchlari o’zaro uchburchak usulida ulanganda …bo’ladi
====
#
Liniya kuchlanishi faza kuchlanishiga teng, Liniya toki faza tokidan √3 marta katta
___________________________________________________________________________________
Generator cho’lg’am uchlari yulduz usulida ulanganda kuchlanish olish mumkin
====
#Ikki xil (380 G` 220 V), Ikki xil (220 G` 127 V)
___________________________________________________________________________________
Aktiv quvvat P = JU cosφ ifodasidagi cosφ burchakning fizik manosini bildiradi
====
#
Tarmoqdan olinayotgan to’la quvvatning qancha qismi aktiv quvvatga aylanishini
___________________________________________________________________________________
P=JU cosφ ifodasidagi φ burchak qanday burchak?
====
#J va U orasidagi faza siljish burchagi
___________________________________________________________________________________
Uch
fazali generator faza simlari yulduz usulida nagruzka simmetrik bo’lishi uchun …… bo’lishi kerak
====
#Aktiv va reaktiv qarshiligi bir xil
___________________________________________________________________________________
Uch fazali asinxron dvigateliga
uchta liniya simini ulab ishlatish mumkin, chunki …
====
#
Nagruzka simmetrik, neytral simda tok yo’q
___________________________________________________________________________________
Uch fazali tok tarmog’ida nagruzka nosimmetrik bo’lsa neytral (nol) sim
da tok
====
#
Bo’ladi
___________________________________________________________________________________
Neytral simga saqlagich
====
#
qo’yilmaydi
___________________________________________________________________________________
Uch fazali tokdagi
aktiv quvvat formula bo’yicha topiladi
====
#
P=3UfJf cos φ = √3 UlJl cos φ
___________________________________________________________________________________
Neytral simli uch fazali tok tarmogining avzalligi
====
#Iste'molchi 2 xil kuchlanish olish mumkin
___________________________________________________________________________________
Transformatorning ishlash printsipi …… asoslangan
====
#Faradeyning 1831 yilda kashf qilgan elektromagnit induktsiya qonuniga
___________________________________________________________________________________
Elektrostantsiyalarda elektr energiyani uzatishda …… transformator yordamida o’zgartiriladi
====
#Kuchlanish
___________________________________________________________________________________
Transformator magnit
o’zagi …… maqsadida alohida yumshoq po’lat plastinkalaridan yasaladi
====
#Energiya isrofini kamaytirish, Fuko tokini kamaytirish
___________________________________________________________________________________
Transformator o’zagi vazifasini bajaradi
====
#
Hamma javob to’g’ri
___________________________________________________________________________________
Bir fazali trasformator tokda ishlaydi
====
#
O’zgaruvchan
___________________________________________________________________________________
Transformatorning ulanadigan cho’lg’amli ikkilamchi, ulanadigan cho’lg’ami birlamchi cho’lg’am deb
ataladi
====
#Iste'molchiga, tok manbaiga
___________________________________________________________________________________
Tranformator salt ishlash rejimidagi isroflarni isroflar deyish mumkin
====
#Magnit
___________________________________________________________________________________
Trasformator tarmoqdan olgan quvv
at iste'molchiga bergan quvvatga deyarli teng bo’lishi JlUl = J2U2
transformator bog’liq
====
#Tuzilishiga
___________________________________________________________________________________
Transfarmatorlarning kuchlanishni necha marta o’zgartirishi bog’liq
====
#
Ikkala cho’lg’am o’ramlar soniga k=n2/n1
___________________________________________________________________________________
Transformator kuchlanishni 10000 V dan 100000 V gacha o’zgartirsa, transformatsiya koeffitsienti
qancha
====
#10
___________________________________________________________________________________
Transformator kuchlanishni o’zgartirsa, undagi o’zgaradi
====
#Tok kuchlari
___________________________________________________________________________________
Transformatorlarni
ng payvandlash, avtotrasformator, o’lchash transformator, pik transformator deb
atalavchi turlari transformatorlar deyiladi
====
#Maxsus
___________________________________________________________________________________
O’lchash transformatorlarida transformator kuchlanishni Vol'tga, tok kuchini Amperga tushirib o’lchash
imkonini beradi
====
#100 V, 5 A
___________________________________________________________________________________
Avtotransformator deb past kuchla-
nish cho’lg’ami yuqori kuchlanish cho’l
-
g’amning …… bo’lgan
transfarmatorga aytiladi
====
#Bir qismi
___________________________________________________________________________________
Elektr o’lchov asboblari elektr tokining turlicha bo’lganligi uchun ko’p turlarga bo’linadi
====
#Parametri
___________________________________________________________________________________
Uyimizdagi elektr hisoblagich elektr tokining o’lchay
di
====
#Sarflangan energiyasini
___________________________________________________________________________________
O’zgaruvchan tok energiya sarfini o’zgarmas tok energiya sarfini sistema asbobi bilan o’lchash mumkin
====
#Indiktsion, elektro dinamik
___________________________________________________________________________________
Elektr o’lchov asboblarining ishlash printsipini uning qaysi qarashli ekanligi bo’yicha bo’linadi
====
#Sistemaga
___________________________________________________________________________________
Elektr o’lchov asboblarining aniqlik sinfi uning bildiradi
====
#Keltirilgan nisbiy xatosini
___________________________________________________________________________________
Elektr o’lchov asbobining shkalasiga qarab …… ma'lumot olinadi
====
#
Hamma javob to’g’ri
___________________________________________________________________________________
Elektr zanjirlarini tekshirish uchun foydalaniladi
====
#Avometrdan
___________________________________________________________________________________
Elektr o’lchov asboblari o’zgaruvchan tokning qiymatini o’lchaydi
====
#Effektiv
___________________________________________________________________________________
Elektr o’lchov asbobi shkalasida nuqta
-
lar nima uchun qo’yilgan
====
#
Shu nuqtadan boshlab aniq o’lchaydi, Shu nu?talar orasida aniq o’lchaydi
___________________________________________________________________________________
Elektr o’lchov asbobi shkalasi pastidagi korrektor nima uchun kerak
====
#Asbob strelkasini nolga keltirish uchun
___________________________________________________________________________________
Noelektrik kattalikni elektrik katta-likga aylantiruvchi asbob deyiladi
====
#Datchik
___________________________________________________________________________________
Datchiklar va datchiliklarga bo’linadi
====
#Generator, Parametrik
___________________________________________________________________________________
Qarshilikli datchik qaysi turdagi datchiklarga kiradi
====
#Parametrik
___________________________________________________________________________________
Temperaturani qan
day datchik bilan o’lchaydi?
====
#Termoelektrik
___________________________________________________________________________________
Havo kamligini qaysi datchik bilan o’lchash mumkin?
====
#
Sig’imli
___________________________________________________________________________________
Avtomobil harakat tezligini o’lchashda qanday datchik ishlatiladi?
====
#Induktsion
___________________________________________________________________________________
Generatorli datchiklar datchiklardir
====
#
EYuK hosil bo’luv
chi
___________________________________________________________________________________
Avtomobil bakidagi benzin mikdori qanday datchik bilan o’lchanadi?
====
#Qarshilikli
___________________________________________________________________________________
Yuqori chastotali o’zgaruvchan toklarni o’zgarmas tokga aylantirib o’l
-chash uchun asboblardan
foydalaniladi
====
#Detektorli, termoelektrik
___________________________________________________________________________________
Doimiy tok kuchi va kuchlanishni o’lchaydigan asbob shkalasi bo’ladi
====
#
Tekis bo’lingan
___________________________________________________________________________________
O’zgaruvchan tok zanjirlarida vatt
-
metr quvvatni o’lchaydi
====
#
Qo’zg’aluvchi
___________________________________________________________________________________
Radiotexnika fani informatsiyani radioto’lqin yordamida vositalarini o’rganidan
fandir
====
#uzatish va qabul qilish
___________________________________________________________________________________
Radiotexnikaning asosiy vazifasi kabilarni amalga oshirishdir
====
#radioeshittirish, radioaloqa, radionovigatsiya
___________________________________________________________________________________
Radiolokatsiya radioto’lqin yoramida aniqlashdan iborat
====
#osmon jismlari vaziyatini
___________________________________________________________________________________
Radiopelengatsiya ra
dioto’lqin yordamida iborat
====
#tarqatuvchi stantsiya turgan joyni aniqlashdan
___________________________________________________________________________________
Radioaloqa 1895 yilda …………… tomonidan amalga oshirilgan
====
#A.S.Popov
___________________________________________________________________________________
O’zbekistonda... yilda radiomarkaz, …yilda telemarkaz ishga tushdi
====
#1927, 1956
___________________________________________________________________________________
Sign
al deb biror voqea, hodisa, jarayon to’g’risidagi ma'lumotni uzatuvchi ga aytiladi
====
#fizik kattalik
___________________________________________________________________________________
Agar ma'lumot signaliga aylantirilsa boshqarish signali, qilinsa radiosignal deyiladi
====
#elektr, modulyatsiya
___________________________________________________________________________________
Energiya o’zgartirgich aylantirib beruvchi asbob
====
#axborotni elektr signalga
___________________________________________________________________________________
Signal bo’yicha o’zgarsa uzluksiz, bo’yicha o’zgarsa raqamli signal deyiladi
====
#amplituda, vaqt
___________________________________________________________________________________
Uyali telefon aloqasi bilan dastla
b 1983 yilda, 1987 yilda kompaniyasi shug’ullangan
====
#Motorola (AQSh), Nokia (Finlandiya)
___________________________________________________________________________________
Kosmik aloqa dunyoda birinchi bo’lib, ……… da ishga tushirilgan
====
#SSSR, 1965
___________________________________________________________________________________
Radiotxnik zanjir elementida energiya qaytmas bo’lib isrof bo’lsa … to’plansa …… qarshilik deyiladi
====
#aktiv, reaktiv
___________________________________________________________________________________
λ » ℓ shart (ℓ –zanjir geometrik o’lchami, λ –radioto’lqin to’lqin uzunligi) bajarilsa parametrlari ……, λ « ℓ
shart bajarilsa parametrlari radiotexnik zanjir deyiladi
====
#Mujassamlangan, taqsimlangan
___________________________________________________________________________________
Agar radiotexnik zanjir uchun kirish va chiqish quvvatlari uchun shart bajarilsa…, Shart bajarilsa zanjir
elementi deyiladi
====
#R2< R1, aktiv, R2 > R1, reaktiv
___________________________________________________________________________________
Differentsiallovchi zanjirlar yordamida davom etish vaqti qisqa bo’lgan, integrallovchi zanjirlar
yordamida kam quvvatli juda kuchsiz qayd qilish mumkin
====
#impulslarni, signallarni;
___________________________________________________________________________________
Radioelektron asboblarning asosiy zanjir elementlaridan biri tebranish konturlaridir Ular yordamida
olinadi
====
#yuqori chastotali elektr tebranishlari
___________________________________________________________________________________
So’nish koeffitsienti so’nish tezligini ifodalaydi
====
#tebranish amplitudasining
___________________________________________________________________________________
Tebranish konturlari murakkab bo’lsa u bir necha konturlardan iborat bo’ladi. Ularni konturlar deyiladi
====
#
bog’langan
___________________________________________________________________________________
#
Bog’langan konturlar o’zaro magnit maydon energiyasi almashinsa, bog’lovchi qarshilik bo’ladi
___________________________________________________________________________________
Bog’langan konturlar o’zaro elektr maydon energiyasi almashinsa, bog’lovchi qarshilik vazifasini bajaradi
====
#kondensator
___________________________________________________________________________________
Bog’langan konturlarda energiya almashinishi elektr toki hisobiga bajarilsa, bog’lovchi qurilma vazifasini
bajaradi
====
#rezistor
___________________________________________________________________________________
Bog’langan tebranish konturlariga uzun liniyalarning sxemasi deb qarash mumkin
====
#ekvivalent
___________________________________________________________________________________
O’zbekistonda faoliyat ko’rsatayotg
an qanday uyali aloqa kompaniyalarni bilasiz?
====
#Ucell, MTS, Bilayn, Perfektium mobile, Uzmobila
___________________________________________________________________________________
r
–
tip yarim o’tkazgichda asosiy zaryad tashuvchi bo’lib ……lar xizmat q
iladi
====
#aralashma hosil qilgan
___________________________________________________________________________________
n
–
tip yarim o’tkazgichlarda asosiy zaryad tashuvchi bo’lib lar xizmat qiladi
====
#aralashma hosil qilgan elektronlar
___________________________________________________________________________________
Yarim o’tkazgichli diod va tip o’tkazuvchi qatlamlardan tashkil topgan p va n
====
#p
–
n va p
___________________________________________________________________________________
Yarim o’tkazgichli asboblarda elektr toki yaxshi o’tadi
====
#bir tomonga
___________________________________________________________________________________
#
Yarim o’tkazgichli asboblarda bo’ladi
====
to’g’ri tok katta
___________________________________________________________________________________
Tranzistor so’zi degan ma'noni bildiradi
====
#
o’zgaruvcha qarshilik;
___________________________________________________________________________________
Tranzistorlarning ikki xil xarakteristikasi bor Tranzistorlarga nagruzka ulanmagan xoldagi xarakteristika ,
ulangandagi qanday xarakteristika deyiladi
====
#statik, dinamik
___________________________________________________________________________________
Kuchlanish bo’yicha kuchaytirish effektini olish uchun tranzistor bo’yicha ulanadi
====
#UE sxema
___________________________________________________________________________________
Elektron kuchaytirgich deb yoramida ozgina energiya sarflab katta energiyani boshqaradigan asboblarga
aytiladi
====
#elektron asbob
___________________________________________________________________________________
Elektron kuchaytirgichda boshqaruvchisi ham boshqarila-digani ham hisoblanadi
====
#elektromagnit maydon energiyasi
___________________________________________________________________________________
Uchta kuchaytirgich har birining kuchatirish koeffitsienti 10 ga teng bo’lib o’zaro ketma
-ket ulangan
bo’lsa, kaskadning umumiy kuchaytirish koeffitsienti qancha?
====
#1000
___________________________________________________________________________________
Kuchaytirish koeffitsienti etmish foizli chastotalar diapazoni kuchaytirgichning deyiladi
====
#
o’tkazish polosasi
___________________________________________________________________________________
Dastlabki kuchaytirgichlar past yoki yuqori chastotasi signallarni kuchaytirish uchun xizmat qiladi
====
#ma'lum chegaragacha
___________________________________________________________________________________
Musbat teskari aloqa, manfiy teskari aloqa ishlatiladi
====
#elektron generatorlarda, elektron kuchaytirgichlarda
___________________________________________________________________________________
Kuchaytirgichdan chiquvchi kuchlanish kuchaytirgichga kirish kuchlanish mos tushsa musbat teskari
aloqa deyiladi
====
#fazasi, fazasiga
___________________________________________________________________________________
Manfiy teskari aloqada kuchaytirgichdan chiquvchi kuchlanish kirish kuchlanishiga nisbatan
====
#kamayadi
___________________________________________________________________________________
Dastlabki kuchaytirgichlarda tranzistor kollektoriga nagruzka sifatida asosan ulanadi
====
#rezistor
___________________________________________________________________________________
Integral mikrosxemani (IMS)
–
ma'lum sondagi radiotexnik zanjir elementlarini ma'lum sxema asosida
ulab, kichik qobiqqa joylashtirib, biror vazifani bajarishga mo’ljallanga
n deb qarash mumkin
====
#asbob
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IMSning yarim o’tkazgichdan tayyorlangani kashf qilingan
====
#1957 yilda
___________________________________________________________________________________
IMSlar to’rt turga bo’linadi
====
#bajaradigan vazifasi, funktsional maqsadi, yasalish texnologiyasi, integratsiya darajasiga
___________________________________________________________________________________
IMSlar yasalish texnologiya
siga qarab turga bo’linadi
====
#
3, yarim o’tkazgichli, plyonkali, gibrid
___________________________________________________________________________________
IMSlar integratsiya darajasiga qarab turga bo’linadi
====
#
4, oddiy, o’rtacha, katta, o’ta katta
IMS
___________________________________________________________________________________
IMS korpusi ustida “metka” –
belgi qo’yilgan Uning ma'nosi bildiradi
====
#Simlarning tartib nomeri boshlanish joyini
___________________________________________________________________________________
IMSlarning qanday materiallardan tayyorlanganligini 1, 2, 3, 4, 5, 6, 7, 8 sonlar orqali belgilash qabul
qilingan Bu sonlar IMS belgisidagi birinchi harfdan keyin qo’yiladi
Bu sonlarning qaysi biri yarim
o’tkazgichdan yasal
-ganligini bildiradi?
====
#1, 5, 6, 7
___________________________________________________________________________________
IMS markasida gibrid texnologiya asosida yaratilganligini bildiruvchi javobni toping
====
#2, 4, 8
___________________________________________________________________________________
IMSning plyonka asosida tayyorlanganligini bildiruvchi belgini toping
====
#4
___________________________________________________________________________________
IMSning qutblaridagi 7 soni tok manbaining qutbiga, 14 soni tok manbaining qutbiga ulanishini
bildiradi
====
#manfiy, musbat
___________________________________________________________________________________
IMSning integratsiya darajasi deganda
kichik hajmdagi …… sonini bildiradi
====
#elementlar
___________________________________________________________________________________
Elektrotexnik generator deb … energiyani elektr energiyaga aylanti
-ruvchi mashina nazarda tutiladi
====
#turli
___________________________________________________________________________________
Elektron generatorda …… energiyadan chastotasi va shakli turlicha bo’lgan tebranishlar ishlab chiqariladi
====
#elektr, elektr
___________________________________________________________________________________
Elektron generatorlar deb …… yordamida elektr energiyadan chastotasi va shakli turlicha bo’lgan elektr
tebranishlar ishlab chiqaruvchi qurilmaga aytiladi
====
#elektron asboblar
___________________________________________________________________________________
Avtogeneratordagi teskari bog’lanish koeffitsientining fizik ma'nosi generatordan chiqayotgan
kuchlanishning …… kirish zanjiriga berilishini ko’rsatadi
====
#ma'lum qismi
___________________________________________________________________________________
Musbat teskari bog’lanishli avtogeneratorlarda so’nmas tebranish hosil bo’lishi uchun ………… shart
bajarilishi lozim
====
#2 ta
___________________________________________________________________________________
Musbat teskari bog’lanishli avtogeneratorda so’nmas tebranishlar hosil bo’lishi uchun ……… va ……
shartlari bajarilishi kerak
====
#amplituda, faza balans
___________________________________________________________________________________
Avtogenerator uchun amplituda balans sharti bajarilishi uchun …… ma'lum kritik qiymatdan katta bo’lishi
lozim
====
#
teskari bog’lanish koeffitsienti
___________________________________________________________________________________
Avtogeneratorda faza balans sharti bajarilishi ya'ni tebranish konturidagi kuchlanish fazasi tranzistor
bazasiga yoki lampa turiga beriladigan kuchlanish fazasi bilan ………… bo’lishi lozim
====
#bir xil fazada
___________________________________________________________________________________
Past chastotasi (100 kGts gacha) li signallar ishlab chiqarishda …… Generatorlar, yuqori chastotali
signallar ishlab chiqarishda …… generatordan foydalaniladi
====
#RC, LC
___________________________________________________________________________________
Avtogeneratorlar yordamida …… tebranishlar ishlab chiqariladi
====
#garmonik
___________________________________________________________________________________
Relaksatsio
n generatorlar yordamida …… signallar ishlab chiqariladi
====
#arrasimon, pisimon
___________________________________________________________________________________
Arrasimon signallarni …… generator, pisimon signallarni …… yordamida ishlab chiqariladi
====
#neon lampali, multivibrator
___________________________________________________________________________________
Garmonik tebranish ishlab chi?aruvchi elektron generatorlar …… da, relaksatsion signal ishlab
chiqaruvchi generatorlar ……… ishlatiladi
====
#radioeshittirish, radionavigatsiya, radiolokatsiyada; hisoblash texnikasida
___________________________________________________________________________________
Multivibratorlarda teskari bog’lanish koeffitsienti ……… bo’ladi
====
#1 ga teng
___________________________________________________________________________________
Multivibratorlarning …… ish rejimi bor
====
#3 xil
___________________________________________________________________________________
Trigger … rejimida ishlovchi …………
====
#kutib turuvchi, multivibrator
___________________________________________________________________________________
Multivibrator musb
at teskari bog’lanishni ikki kaskadli ………… dan iborat
====
#RC kuchaytirgich
___________________________________________________________________________________
Elektr asboblar pasportida elektr jihozining…sxemasi berilgan bo’ladi
====
#Printsipal
___________________________________________________________________________________
Elektr jihozi ishlaganda uzoh vaqt xizmat kiladi
====
#Nominal ish rejimida
___________________________________________________________________________________
Elektr energiya bu …… energiyadir
====
#Elektr va magnit maydon
___________________________________________________________________________________
Elektr toki deb …… aytiladi
====
#Zaryadlangan zarralar tartibli harakatiga
___________________________________________________________________________________
Doimiy tok deb tokka aytiladi
====
#Vaqt o’tishi bilan yo’nalishi va qiymatlari o’zgarmaydigan
___________________________________________________________________________________
O’zgaruvchan tok deb … tokka aytiladi
====
#Yo’nalishi va qiymati sinus qonuni bo’yicha o’zgaradigan
___________________________________________________________________________________
Elektr zanjirining nominal ish rejimi deb …… mos bo’lgan rejim tushiniladi
====
#Elektr zanjiridagi tok, kuchlanish elektr zanjir elementlarining zavod tomonidan ko’rsatilgan qiymatiga
___________________________________________________________________________________
O’zgaruvchan tok … parametrlar bilan xarakterlanadi
====
#Oniy, effektiv, maksimal, o’rtacha qiymat va davr, chastota
___________________________________________________________________________________
O’zgaruvchan davri T deb … a
ytiladi
====
#Bir xil vaqt davomida tok kuchi, EYuK, quvvati takrorlanib turadigan vaqtga aytiladi
___________________________________________________________________________________
O’zgaruvchan tokning oniy qiymati deb, T vaqtning … qiymati tushiniladi
====
#Biror momentidagi maksimal
___________________________________________________________________________________
O’zgaruvchan tokning amplitudaviy qiymati deb T vaqt mobaynida uning … qiymati tushiniladi
====
#qabul qilgan eng maksimal
___________________________________________________________________________________
O’zgaruvchan tokning ta'sir etuvchi yoki effektiv qiymati deb ma'lum R qarshilikda …… kattalikka aytiladi
====
#Bir davr mobaynida o’zgaruvchan tok ajratgan issiqlik mikdori o’zgarmas tok ajratgan shu vaqt
davomidagi issiq-likka teng
___________________________________________________________________________________
Sinusondal qonun bo’yicha o’zgaradigan tok ishlab chiqaruvchi qurilma … deyiladi
====
#Generator
___________________________________________________________________________________
O’zgaruvchan tok ishlab chiqaradigan mashina generatorlarda ……… aylanadi
====
#Elektr energiya mexanik energiyaga
___________________________________________________________________________________
#Atom elektrostantsiyalarida …… energiya elektr energiyaga aylantiriladi
====
Ximiyaviy
___________________________________________________________________________________
O’zgaruvchan tokni … usulida tasvirlash mumkin
====
#Analitik
___________________________________________________________________________________
O’zgaruvchan tok tenglamasidagi (ωt+φ) ifoda tokning …… deyiladi
====
#Fazasi
___________________________________________________________________________________
Ikkita sinusondal kat
taliklar boshlang’ich fazalarining (φ1 >φ2) farqi φ1φ2 = ∆ φ deyiladi
====
#Faza siljishi Fazalar farqi
___________________________________________________________________________________
Faza bo’yicha yarim davrga siljigan sinusoidal kattaliklar bir
-bi
riga nisbatan …… fazada o’zgaradi deyiladi
====
#Teskari
___________________________________________________________________________________
Bir xil chastotali sinusondal kattaliklarni tasvirlovchi bitta yoki bir necha vektorlar ………… diagramma
deyiladi
====
#Vektor
___________________________________________________________________________________
Turbogenerator va gidrogenerator bir-
biridan … bilan farq qiladi
====
#Aylanish chastotasi, Juft qutblar soni
___________________________________________________________________________________
Nega o’zgaruvchan tok chastotasi 50 Gts qilib olingan?
====
#Ko’zning talabi shunday
___________________________________________________________________________________
Elektr o’lchov asboblari o’zgaruvchan tokning qiymatni o’lchaydi
====
#Effektiv, ta'sir etuvchi
___________________________________________________________________________________
O’zgarmas tok zanjiridagi R qarshilik o’zgaruvchan tok zanjiridagi R qarshilik bilan bir xilmi?
====
#O’zgaruvchan to
k zanjiridagi R katta
___________________________________________________________________________________
IMSning plyonka asosida tayyorlanganligini bildiruvchi belgini toping
====
#4
___________________________________________________________________________________
IMSning qutblaridagi 7 soni tok manbaining qutbiga, 14 soni tok manbaining qutbiga ulanishini
bildiradi
====
#manfiy, musbat
___________________________________________________________________________________
IMSning integratsiya darajasi deganda kichik hajmdagi …… sonini bildiradi
====
#elementlar
___________________________________________________________________________________
Elektrotexnik generator deb … energiyani elektr energiyaga aylanti
-ruvchi mashina nazarda tutiladi
====
#turli
___________________________________________________________________________________
Elektron generatorda …… energiyadan chastotasi va shakli turlicha bo’lgan tebranishlar ishlab chiqariladi
====
#elektr, elektr
___________________________________________________________________________________
Elektron generatorlar deb …… yordamida elektr energiyadan chastotasi va shakli turlicha bo’lgan elektr
tebranishlar ishlab chiqaruvchi qurilmaga aytiladi
====
#elektron asboblar
___________________________________________________________________________________
Elektr jihozlari pasportida qiymatlar yozilgan bo’ladi
====
#Nominal
___________________________________________________________________________________
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