Physics circuit 电路 2
Authored by Zhao Liang
Physics
8th - 9th Grade
Used 7+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
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
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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