电功W:电流做功的多少。单位:J

zhongkao physics Quiz

Quiz
•
Physics
•
9th - 12th Grade
•
Medium

Vicky Liu
Used 3+ times
FREE Resource
45 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W=IU
W=IUt
W=IR
W=UR
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
欧姆定律:一段导体电流(I)的大小和导体两端的电压(U)成正比,和导体的电阻(R)成反比。
R=IU
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
电荷间相互作用规律:______电荷相互吸引,_____电荷相互排斥(不用加空格)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电流方向
顺时针
逆时针
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
绝缘体还是导体
绝缘体
导体
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
表示电流做功的快慢是
电功
电功率
电流
电压
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电功率的单位
千瓦时kWh
焦耳J
瓦特W
安培A
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