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If Z(s)=sL is the driving-point impedance of an ideal inductor, Z(0) equals?

  • A0
  • BL
  • C1/L
  • DInfinity
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Correct Answer: A. 0
Explanation: At s=0, Z(s)=sL becomes zero, consistent with an ideal inductor behaving as a short circuit at DC steady state.
Reference: Standard network theory: inductor driving-point impedance
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