在R、L、C串联电路中,当XL=XC时,比较电阻上UR和电路总电压U( U不为0)的大小为()A、UR<UB、UR=UC、UR>UD、UR=0
在R、L、C串联电路中,当XL=XC时,比较电阻上UR和电路总电压U( U不为0)的大小为()
- A、UR<U
- B、UR=U
- C、UR>U
- D、UR=0
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