
2.čtvrtletka 9.C
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Easy
Zdeněk Kettner
Used 1+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik elektronů má ve valenční vrstvě atom křemíku?
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se vzrůstající teplotou odpor čistého vodiče polovodiče:
roste
klesá
zůstává stejný
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Díra v polovodiči:
je kladná částice
se chová jako kladná částice
se chová jako záporná částice
je záporná částice
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik elektronů má příměs pětimocného atomu?
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polovodič typu N má:
děrovou vodivost
elektronovou vodivost
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polovodič typu P má:
děrovou vodivost
elektronovou vodivost
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V polovodiči typu N je:
více volných elektronů než děr
více děr než volných elektronů
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