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Physics circuit 电路 2

Authored by Zhao Liang

Physics

8th - 9th Grade

Used 7+ times

Physics circuit 电路 2
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5 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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在如图所示的各电路中,开关闭合后,三个灯泡并联的电路是

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

下列连接方式不是并联的是

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3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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如图所示的四个电路图中,闭合开关S,三盏灯都能发光。若其中任意一盏灯的灯丝断了,其它两盏灯仍能发光的电路图是  

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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小丽用四盏灯、两个开关,设计了教室的照明电路,要求每个开关都能独立控制两盏灯。图2所示的电路图中,符合要求的是

A

B

C

D

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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如图所示电路中,关于各灯之间的连接,下列说法中正确的是(多选)

A.当开关S1闭合时,三盏灯是串联的 

B.当开关S1 、S2和S3闭合时,三盏灯是并联的

C.当开关S1 、S2和S3闭合时,只有L1、L3并联

D.若闭合S1、S3时,只有灯L3发光

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