题目内容
如图所示变压器空载运行电路,设变压器为理想器件,若u=√2UsinwtV,则
( )。
2025-06-27
A.U1=wLU/√R2+(wL)2,u2=0
B.U1=U,U2=1/2u1
C.u1≠u₂,U2=1/2U1
D.U1=U,U2=2u1
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