Barcha fanlardan online testlar

8-sinf Fizika 2-chorak

InfoMaster

May 5, 2021

51 Ko'rishlar 0

SaqlashSaqlanganOlib tashlandi 0

8-sinf Fizika 2-chorak

Testni Shirinboyev Temurbek tayyorladi.

1 / 25

Uyali telefon iste'mol qiladigan tok kuchi qanchaga teng ?

A) 0,1 A

B) 0,2 A

C) 0.4 A

D) 0,5 A

2 / 25

Elekt kuchlanishining ulchov birligi nima?

A) Kulon

B) Sekund

C) Volt

D) Amper

3 / 25

Elektr janjiridagi lampochkadan ma’lum vaqt davomida 25 c zaryad o’tib , 75 J ish bajarildi,lampochka qanday elektr kuchlanish ostida yongan?

A) 15 V

B) 3 v

C) 25 V

D) 12 V

4 / 25

Elektr zanjiridagi lampochkada parallel ulangan voltmeter 1,5 V ni ko’rsatmoqda. Lampochkadan 10 c zaryad o’tganda qancha ish bajariladi

A) 20 J

B) 155 J

C) 220 J

D) 15 J

5 / 25

Tok kuchini o’lchaydigan asbob qanday nomlanadi ?

A) Elektrometr

B) Elektroskop

C) Ampermetr

D) Voltmetr

6 / 25

Elekt kuchlanishi formulasi berilgan javobni ko’rsating.

A) U=A|q

B) E=U/d

C) I=q/t

D) F=kq/r^2

7 / 25

Kuchlanishni o’lchaydigan asbob nima diyeladi?

A) elektroskop

B) elektrometr

C) voltmeter

D) ampermetr

8 / 25

Elektr zanjirlaridagi Lampochkadan 0,2 A tok o’moqda lampochka speraliorqali 1 minutda nechakulon zaryad o’tadi ?

A) 12 C

B) 15 C

C) 24 C

D) 10 C

9 / 25

Tok kuchining o'lchov birligi nima?

A) Joul

B) Amper

C) Volt

D) Kulon

10 / 25

Rezistor so’zining manosi nima ?

A) Tok kuchi

B) Kuchlanish

C) Qarshilik

D) Zaryad

11 / 25

Qarshiliklari 200 Ω va 300 Ω bo`lgan ikkita elektr lampa parallel ulanib, 240 V tarmoqqa kiritilgan. Umumiy tok kattaligini toping.

A) 2 A

B) 4 A

C) 5 A

D) 1.8 A

12 / 25

Jismlarning elektrlanganlikdarajasini aniqlovchisbob qanday nomlanadi ?

A) Barometr

B) Elektrometr

C) Dinomometr

D) Elektroskop

13 / 25

Qahrabo so’zining ma’nosi nima ?

A) Somon tortuvchi

B) Manfiy

C) Qattiq rezina

D) Elektrlanuvchi

14 / 25

Ishqalangan jismlarning tortishish hodisasini birinchi bo’lib kim aytgan?

A) grek olimi Arximed

B) yunon olimi Fales Miletskiy

C) hamma javoblar to'g'ri

D) yunon olimi Aristotel

15 / 25

Bitta elektron massasi nechaga teng ?

A) 9,1*10^-31kg

B) 8,81*10^-19kg

C) 3,36*10^-32kg

D) 1,6*10^-19kg

16 / 25

Bitta elektron zaryadi nechaga teng ?

A) 1,6*10^-19C

B) 8,81*10^-19

C) 2,01*10^-19C

D) 9,1*10^-31C

17 / 25

Bir-biridan 10sm masofada turgan sharchalardanbirining zaryadi -2*10^-8C, ikkinchisiniki esa 3*10^-8C ga teng. Ular qanday kuch bilan tortishadi?

A) 270 N

B) 5,4*10‾⁴ N

C) 5*10‾⁸ N

D) 2*10‾⁸ N

18 / 25

Akkumulator so’zining ma’nosi nima ?

A) Zaryad oqimi

B) Zaryadlovchi

C) To’plovchi

D) Tok manbayi

19 / 25

Elektr zanjirida ketma-ket ulangan iste`molchilar qarshiliklari 80, 120 va 200 Om dan iborat. Umumiy kuchlanish 220 V bo`lsa, uchinchi iste`molchidagi kuchlanish tushuvini toping

A) 220 V

B) 44 V

C) 180 V

D) 110 V

20 / 25

Shoyi matoga ishqalangan shisha tayoqcha qanday ishorada elektrlanib qoladi?

A) to'g'ri javob yo'q

B) Musbat

C) Elektrlanmaydi

D) Manfiy

21 / 25

Jismlarning elektrlanganligini sezish ,kuzatish uchun qo’llaniladigan asbob qanday nomlanadi ?

A) Elektroskop

B) spedometr

C) Barametr

D) Areometr

22 / 25

Elektr sig’imining o’lchov birligi nima ?

A) Farad

B) Sekund

C) Kulon

D) amper

23 / 25

Ikkita o`tkazgichlar avval ketma- ket, so`ngra parallel ulandi. Bunda uning umumiy qarsiligi qanday o`zgaradi?

A) 2 marta kamayadi

B) 2 marta ortadi

C) o`zgarmaydi

D) 4 marta kamaydi

24 / 25

Elektr doimiysining son qiymati nechaga teng?

A) 8,85*10^-12C^2/N*m^2

B) 3*10^-19 C

C) -3*10^-19 C

D) 9,1*10^-31kg

25 / 25

O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ?

A) Musbat zaryad

B) Manfiy zaryad

C) Nuqtaviy zaryad

D) Elementar zaryad

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Tomonidan Wordpress Quiz plugin

Author: InfoMaster

Foydali bo'lsa mamnunmiz

SaqlashSaqlanganOlib tashlandi 0

Oldingi

Javob qoldiring

Sharhlash uchun siz saytga kirishingiz lozim.

May 2021
Du	Se	Ch	Pa	Ju	Sh	Ya
	1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30
31

Elementlarni Solishtiring

Jami (0)

Solishtiring

8-sinf Fizika 2-chorak

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

8-sinf Fizika 1-chorak

8-sinf Fizika 3-chorak

9-sinf Fizika 4-chorak

9-sinf Fizika 3-chorak

9-sinf Fizika 2-chorak

9-sinf Fizika 1-chorak

Javob qoldiring

Elementlarni Solishtiring