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11.1 - 11.2 电流强度和电压

Authored by YPHS0054 KHAN

Physics

8th Grade

11.1 - 11.2 电流强度和电压
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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:

电流
电势
电阻
电压

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

电流的大小被称为:

电流密度

电流强度

电流速度
电流功率

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

电流强度的符号是什么?

V

I

R

A

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)

伏特(V)

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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