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10-sinf

Authored by SHOKIR SHOKIR

Physics

9th Grade

10-sinf
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

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

Media Image

Uch  elekrtrodli  lampa  qanday  ataladi ?

anod   

diod

triod

katod

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

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

Media Image

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

Media Image

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

Media Image

Kremniyga  ozroq  Indiy  aralashtirilsa, qanday  aralashma  hosil  bo'ladi ?

donorli

n  turdagi  

akseptorli

n + p  turdagi

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