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静电 电路(9 10)

Authored by Yuki Lew

Science

7th Grade

Used 7+ times

静电 电路(9 10)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

物体经过摩擦后,带有正电的原因是?

物体对电子的束缚力较强

物体对电子的束缚力较弱

物体对质子的束缚力较强

物体对质子的束博力较弱

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

下列何者叙述是错误的?

电荷只有两种

同种电荷互相排斥

异种电荷互相吸引

物体不是带正电就是带负电

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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毛皮摩擦橡股棒后,何者图形才是正确的电荷移动情形?(电子束缚能力:橡胶棒>毛皮)

A

B

C

D

4.

OPEN ENDED QUESTION

15 mins • 1 pt

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Evaluate responses using AI:

OFF

5.

FILL IN THE BLANK QUESTION

15 mins • 1 pt

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写A的答案即可。(电子束缚能力:丝绸>玻璃棒)

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

在实验室里接通电路,要使灯泡发光,除了电池和灯泡外还需要什么?

开关

导线

安培计

电动马达

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

上图显示一个电路图。

Q元件是什么?

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Media Image

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