己知R=3Ω,XL=15Ω,XC=11Ω,将它们串联时,总阻抗Z等于()。A、29ΩB、7ΩC、5ΩD、3Ω

己知R=3Ω,XL=15Ω,XC=11Ω,将它们串联时,总阻抗Z等于()。

  • A、29Ω
  • B、7Ω
  • C、5Ω
  • D、3Ω

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