11-SINF 1MAVZU TESTI
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Medium
Bunyod Saydaliyev
Used 5+ times
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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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