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11-SINF 1MAVZU TESTI

Authored by Bunyod Saydaliyev

Physics

11th Grade

Used 5+ times

11-SINF 1MAVZU TESTI
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zaryadli zarralarning tartibli harakati nima deyiladi

Tok kuchi

Kuchlanish

Elektr toki

Qarshilik

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

TOK ZICHLIGINING BIRLIGI

A

A/m

A/m2

A*m

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Agar 5 s vaqt davomida tok kuchi 0 dan 12 A gacha tekis ortsa, shu vaqt ichida

o’tkazgichning ko’ndalang kesimi bo’ylab qanday zaryad o’tadi?

40

20

10

30

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

0,25 mm2 ko’ndalang kesimli sim orqali 2,4 A tok o’tmoqda. Agar simdagi erkin

elektronlar konsentratsiyasi 2.1028 m-3, elektronning zaryadi esa 1.6.10-19 C bo’lsa,

elektronlarning yo’naltirilgan harakat o’rtacha tezligi (mm/s da) qanchaga teng?

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Агар мис симда эркин электронлар концентрацияси 5 1028 м-3 ва уларнинг тартибли ҳаракат тезлиги 5 10-5 м/с бўлса, ток зичлигини аниқланг (А/м2).

6.4*10^5

4*10^5

1.2*10^5

2.5*10^5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Кўндаланг кесими 20 мм2 бўлган мис ўтказгич орқали 3 А ток ўтаётган бўлса, ундаги ўтказувчанлик электронларининг тезлиги топил-син(м/с). Бирлик ҳажмдаги эркин электронлар сони 9 1028 м-3 га тенг

10^8

10^-8

10^-5

10^5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Қуйидаги формулалардан қайси бири ўтказгичдаги ток кучини ифодалайди?

еu

nе    

neu

neuS

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