一台变压器U1=220V,N1=100匝,N2=50匝,U2则=()A、50VB、110VC、220VD、440V

一台变压器U1=220V,N1=100匝,N2=50匝,U2则=()

  • A、50V
  • B、110V
  • C、220V
  • D、440V

相关考题:

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