
기말-06.전류

Quiz
•
Other
•
University
•
Hard
준혁 김
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
도체의 단면적이 10[m^2]인 곳을 3초동안 33[C]의 전하가 통과했다면 전류는 몇 [C/sec]인가?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
도체의 전기 도전율은 도체 내의 자유 전하밀도에 반비례한다
X
O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
전선의 체적을 동일하게 유지하면서 길이를 반으로 줄였다. 이 때 저항은 몇 배가 되는가?
0.25
0.5
2
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
반지름이 5[mm]인 구리선에 16.02[A]의 전류가 단위 시간에 흐를 때, 구리 단면을 통과하는 전자의 개수는 단위 시간당 몇 개인가?
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
전류밀도가 발산하는 경우, 키르히호프의 제 1법칙이 성립하지 않는다.
X
O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20도씨 에서 저항의 온도계수가 0.003인 저항선의 저항이 100옴이다. 이 저항선의 온도가 60도씨로 상승할 때 저항은 몇 옴인가?
112
124
101
120
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