如图所示,AB支路由带铁芯的线圈和电流表A1串联而成,设电流强度为I1;CD支路由电阻R和电流表A2串联而成,设电流强度为I2,两支路电阻阻值相同,在接通电键K和断开电键K的瞬间,观察到( )
A.K接通瞬间, I1<I2;断开瞬间I1=I2; |
B.K接通瞬间, I1<I2;断开瞬间I1>I2; |
C.K接通瞬间, I1>I2;断开瞬间I1<I2; |
D.K接通瞬间, I1>I2;断开瞬间I1=I2; |
如图所示,AB支路由带铁芯的线圈和电流表A1串联而成,设电流强度为I1;CD支路由电阻R和电流表A2串联而成,设电流强度为I2,两支路电阻阻值相同,在接通电键K和断开电键K的瞬间,观察到( )
A.K接通瞬间, I1<I2;断开瞬间I1=I2; |
B.K接通瞬间, I1<I2;断开瞬间I1>I2; |
C.K接通瞬间, I1>I2;断开瞬间I1<I2; |
D.K接通瞬间, I1>I2;断开瞬间I1=I2; |