
10-sinf
Authored by SHOKIR SHOKIR
Physics
9th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Elektronlar otilib chiqadigan elektrod qanday ataladi ?
katod
kation
anod
diod
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Gapni to'ldiring: " …. larning qizishi tufayli ulardan elektronlarning uchib chiqish hodisasi termoelektron emissiya deb ataladi."
O'tkazgich
Dielektrik
Metallar
Modda
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uch elekrtrodli lampa qanday ataladi ?
anod
diod
triod
katod
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Metall o'tkazgichlar qizdirilganga ularning elektr o'tkazuvchanligi qanday o'zgaradi ?
kamayadi
avvaliga o'zgarmay keyin keskin ortadi
ortadi
avvaliga o'zgarmay keyin keskin kamayadi
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O'ta o'tkazuvchanlik kim tomonidan kashf etildi ?
Kuper
Bogolyubov
A-B javoblar to'g'ri
Kamerling-Onnes
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O'ta o'tkazgichlarning elektr qarshiligi temperaturaga qanday bog'liq ?
temperatura ko'tarilsa, keskin kamayadi
temperatura ko'tarilsa, chiziqli ortadi
temperatura pasaysa, chiziqli kamayadi
T=0 ga yaqin temperaturada keskin pasayadi
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kremniyga ozroq Indiy aralashtirilsa, qanday aralashma hosil bo'ladi ?
donorli
n turdagi
akseptorli
n + p turdagi
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