Nazoratishlari va laboratoriyala r

2- NAZORAT ISHI
10. Richagning kichik yelkasi uzunligi 4 sm, katta yelkasi uzunligi 20 sm ga teng. Kichik yelkasiga 12 N kuch tasir qiladi. Richagni muvozanatga keltirish uchun uning katta yelkasiga qanday kuch qo’yish kerak?
2. Oy radiusi 1700 km undagi jismning erkin tushish tezlanishi 1,7 m/ ga teng Oy uchun birinchi kosmik tezlikni hisoblang.
3. Uzungili 5m balandligi 1m bo’lgan qiya tekislikdan 2000 N og’irlikdagi yuk chiqarilgan. Ishqalanish kuchi 200 N bo’lsa qiya tekislikning FIK I nimaga teng?
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

3-NAZORAT ISHI

1. 
   Muayyan vaqt oraliqlarida vaziyati davriy ravishda takrorlanib turadigon harakatga nima deyiladi?
   

1. 
   Tebranish B) To’lqin C) Chastota D) Mayatnik
   

2. 
   Erkin tebranishlar deb nimaga aytiladi?
   

1. 
   Tashqi davriy kuch tasirida bo’ladigon tebranishlar
   
2. 
   Ichki kuchalar tasirida bo’ladigon tebranishlar
   
3. 
   Ichki manba energiyasi hisobiga yuzaga keladigon tebranishlar
   
4. 
   Parametrlari sinus yoki kosinus qonuniyati bo’yicha o’zgaruvchi tebranma harakat
   

3. 
   Muhit zarralari to’lqin tarqalishi yo’nalishida tebransa qanday to’lqin deb ataladi?
   

1. 
   Mehanik to’lqin B) Kondalang to’lqin
   
2. 
   Bo’ylama to’lqin D) Tebranma harakat
   

4. 
   Gyugens formulasini aniqlang.
   

1. 
   B) C) D)
   

5. 
   Tebranishlar davri formulasini aniqlang.
   

1. 
   B) C) D)
   

6. 
   Gaz, suyuq yoki qattiq muhitda tarqaladigon elastic muhit zarralarining tebranma harakati … dir.
   

1. 
   Tovush B) Yorug’lik C)To’lqin D) Mayatnik
   

7. 
   Tovush to’lqinlari qanday to’lqin hisoblanadi?
   

1. 
   Mehanik to’lqin B) Kondalang to’lqin
   
2. 
   Bo’ylama to’lqin D) Tebranma harakat
   

8. 
   Inson qulog’ining og’riq sezish chegarasi necha Db?
   

1. 
   130 B)150 C) 200 D) 250
   

9.Tovush kattaliklari to’g’ri keltirilgan qatorni toping.
A) Tovush qattiqligi, tovush balandligi, tovush tenbiri
B) Tovush qattiqligi, tovush balandligi, tovush chastotasi
C) Tovush qattiqligi, tovush balandligi, tovush energiyasi
D) Tovush tezligi, tovush balandligi, tovush chastotasi
10. Tovush qaysi muhitda eng katta tezlikda tarqaladi?
A) Gaz B) Suyuq C) Qattiq D) hammasida bir xil
11.Erkaklar chiqaradigon asosiy tonga qarab ovozi qanday tembrlarga bo’linadi?
__________________________________________________________________________________________________________________________________________________________________
12. Ulta tovushlar qanday chastotaga ega?
13. Infra tovush deb nimaga aytiladi?__________________________________________________
__________________________________________________________________________________________________________________________________________________________________
14. To’lqin uzunligi ifodasini yozing.____________________________________________________
15. Tabiatda qanday to’lqinlarni uchratgansiz?
________________________________________________________________________

1	2	3	4	5	6	7	8	9	10

4- NAZORAT ISHI

1.Laminar oqim deb qanday oqimga aytiladi?
A) Suyuqlik yoki gazlarning qatlam-qatlam bo’lib oqishiga.
B) Suyuqlik yoki gazlarning uyurma, yoki girdob hosil qilib oqishiga
2.Turli yuzali nayda oqayotgan sqilmas suyuqlik tezliklarining moduli, suyuqlik yuzalariga teskari proparsional bo`ladi”. Bu tasdiqning nomi nima?

1. 
   Oqim uzluksizligi tenglamasi B) Torichelli tenglamasi
   

C) Bernulli tenglamasi D) Magnus qoidasi
3) Bernulli tenglamasini aniqlang.

1. 
   B)
   
2. 
   C) D)
   

4) Magnus effekti deb nimaga aytiladi?
A) Suyuqlik yoki gaz aylanuvchi jism atrofidan oqib o’tganda sodir bo’ladigon fizik hodisaga.
B) Suyuqlik aylanuvchi jism atrofidan oqib o’tganda sodir bo’ladigon fizik hodisag
C) Gazlar aylanuvchi jism atrofidan oqib o’tganda sodir bo’ladigon fizik hodisaga
D) Suyuqlik yoki gaz jism atrofidan oqib o’tganda sodir bo’ladigon fizik hodisaga
5. Torrichelli formulasi to’g’ri keltirilgan qatorni aniqlang.

1. 
   B)
   
2. 
   C) D)
   

6. Qo’zg’almas zaryadlar atrofida hosil bo’ladigon elektr maydoni… deyiladi.
A) Elektr B) Magnit C) Elektrostatik D) Elektrodinamik
7. Elektr maydon kuchlanganligi formulasini aniqlang.
A) E=F/q B)_ E=mgh C) E=mv2/2 D) E= Fsin @
8. Bir jinsli elektr maydon deb qanday maydonga aytiladi?
A) Kuchlanganlik vektori hamma nuqtalarda har hil bolsa
B) ) Kuchlanganlik vektori hamma nuqtalarda har hil bolsa
C) ) Kuchlanganlik vektori hamma nuqtalarda ihtiyoriy bolsa
D) Hamma javoblar to’g’ri
9. Zaryadning sirt zichligi ifodasini aniqlang.
A) B) C)
10.Muhitning dielektrik singdiruvchanligi formulasini aniqlang.
A) B)
11. Qanday shakldagi o’tkazgichda elektr zaryadi tekis taqsimlanadi?

12. Zaryadlangan metal sharning elektr maydoni kuchlanganligi formulasini yozing.

13. Musbat zaryad maydoniga manfiy zaryad kiritilsa natijaviy elektr maydon kuchlanganligi qanday o’zgaradi?

14. Elektr maydon superpazitsiya prinsipini yozing.

15. Daryo suvi uning qaysi qismida tez oqadi?

1	2	3	4	5	6	7	8	9	10

5-NAZORAT ISHI

1.Elektr zanjiridagi lampochkadan 10 minutda 90 C zaryad oqib o’tayotgan bo’lsa,zanjirdagi tok kuchi nimaga teng?
2.Ichki qarshiligi 3 Om bo’lgan tok manbaiga 7,5 Om tashqi qarshilik ulanganda manba qisqichlaridagi kuchlanish 15 V gacha pasaydi.Manba EYUK ini toping.
3.ko’ndalang kesim yuzasi 4 mm2 bo’lgan o’tkazgichdagi tok kuchi 5 mikroamperga teng bo’lsa,tok zichligini aniqlang.
_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
6-NAZORAT ISHI

1. 
   2 soat davom etgan elekrtolizdan katodda 40 mg nikel yig`ildi. Elektroliz vaqtida elektrolitdan o`tgan tok kuchini toping. (k=0,304mg/C)
   

2. 
   Galvonoplastika nima? ______________________________________________________________
   

3. 
   
4. 
   Galvonostegiya nima? ______________________________________________________________
   
5. 
   
6. 
   
7. 
   4.Qanday sharoitlarda gazlar elektr tokini o’tkazadi?
   

8. 
   Gaz razryadi turlari haqida ma’lumot bering.
   

9. 
   Yarimo’tkazgichlarning elektr o’tkazuvchanliklari haqida ma’lumot berring.
   

10. 
    Diod deb nimaga aytiladi va uning vazifasi.
    

11. 
    Ikkita p-n o’tishga ega bo’lgan yarim o’tkazgichli sistemaniqanday nomlanadi?
    

12. 
    Mikrosxemalarni tashkil etuvchi qurilmalar?
    

13. 
    Yarimo’tkazgichlarni o’tkazgichlardan farqlari:
    

7- NAZORAt ISHI
1.Magnit maydoniga kiritilgan 1 A tok kuchiga ega bo’lgan 1 m uzunlikdagi to’g’ri o’tkazgichga maydon tomonidan ta’sir qiluvchi maksimal kuchga son jihatdan teng bo’lgan kattalik…. Deyiladi.
A) Magnit induksiyasi. B) magnit toki
C) magnit maydoni C) induksion tok
2.Magnit maydon induksiyasining XBS dagi birligini toping.

1. 
   Tesla B) Amper C) Volt D) Veber
   

3.Toroid deb nimaga aytiladi:
A)Halqasimon o’zakka o’ralgan spiral o’tkazgichdan tashkil topgan tizim.
B)To’g’ri o’zakka o’ralgan spiral o’tkazgichdan tashkil topgan tizim.
C) Uyurmaviy o’zakka o’ralgan spiral o’tkazgichdan tashkil topgan tizim.
D) Induksion o’zakka o’ralgan spiral o’tkazgichdan tashkil topgan tizim.
4.Qanday kuch magnit maydonda joylashgan tokli ramkani harakatga keltiradi?
A) LOrens kuchi B) Amper kuchi C) Tok kuchi D) Ixtiyoriy kuch
5.Amper kuchini aniqlash ifodasini aniqlang.
A) F=IBLsina B) F=IBLcosa C) F=mgh D) B=f/Bl
6.Magnit oqimi ifodasini aniqlang.
A) Ф =BScosa B) Ф=B/Scosa C) F=BS cosa D) A=IF
7. XBS da magnit oqimi birligi qilib qanday birlik qabul qilingan?
A) Tesla B) Amper C) Volt D) Veber
8.Tok yo’nalishi bilan magnit maydon induksiyasi yo’nalishi orasidagi burchak necha gradus?
A) 30 B) 45 C) 90 D) 60
9. Lorens kuchi formulasini toping.
A) F=qvBsina B) F=evBsina F=qvBcosa D) R=m/qB
10.Lorens kuchining yo’nalishi qanday qoidaga asoslangan?
A) Chap qo’l qoidasiga B) O’ng qo’l qoidasiga
11.Magnit maydon uchun superpozitsiya prinsipini yozing_____________________________________
12.tokli aylana o’tkazgich markazidagi magnit maydon induksiyasi ifodasini yozing._________________
13.Multimetrlarning vazifasi nima?_______________________________________________________
____________________________________________________________________________________
14.Nima sababdan qutb yog’dusi faqat qutbda kuzatiladi?_____________________________________
____________________________________________________________________________________

14. 
    Mass-spektrometrlar nima maqsadda qo’llaniladi?________________________________________
    

_________________________________________________________________________________

1	2	3	4	5	6	7	8	9	10