题目内容
在图所示的电路中,当开关S闭合时,电路中的电流表和电压表读数的变化是( )
2021-07-21
A.两表读数均变大
B.两表读数均变小
C.电流表读数增大,电压表读数减小
D.电流表读数减小,电压表读数增大
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