试题与答案

如图所示的电路,R1=2R2,电流表在A、B两处测得的电流分别为IA和IB,则

题型:选择题

题目:

如图所示的电路,R1=2R2,电流表在AB两处测得的电流分别为IAIB,则

[ ]

A.IA=IB  

B.IA=IB  

C.IA=IB  

D.IA=IB

答案:

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