第11章 电流、电阻和电压小考
Quiz
•
Science
•
1st - 3rd Grade
•
Medium
1213 (Ind)
Used 601+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
电流强度用_________表示,它的 SI 单位是_________。
A,I
I,A
I,V
A,A
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
电压大小用_________表示,它的 SI 单位是_________。
A,V
V,A
V,V
A,A
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
电阻的符号是_________,SI 单位是__________.
Ω ,R
R,A
R,Ω
V,R
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如图所示,用安倍计测量通过灯L1的电流,其中接法正确的是( )。
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
关于安培计和伏特计的使用,下列说法中,错误的是( )。
使用前都应检查指针是否指零
若有两个量程,一般先用大量程“试触”
两表都不能将两接线柱直接接到电源的两极上
接入电路时,都应使电流从正接线柱流入,从负接线柱流出
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如图所示,要使伏特计测量灯L2两端的电压,正确的电路图是( )。
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如图所示的电路中,甲、乙、丙是连接在电路中的三个电学仪表,闭合开关S后,灯均正常发光,则( )。
甲是安培计,乙、丙是伏特计
甲是伏特计,乙、丙是安培计
乙是安培计,甲、丙是伏特计
乙是伏特计,甲、丙是安培计
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