
11.1 - 11.2 电流强度和电压
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
YPHS0054 KHAN
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电荷的定向移动被称为:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电流的大小被称为:
电流密度
电流强度
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电流强度的符号是什么?
V
R
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电流强度的单位是什么?
欧姆(Ω)
瓦特(W)
安培(A)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
1 A = ____ mA
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
1 mA = _____ μA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
不同用电器的工作电流是不同的,同一种用电器在不同的工作状态下的电流也是:
无法确定
相同
不同
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