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Network TheoryNetwork Synthesis

For an RL driving-point impedance, poles and zeros of a realizable simple ladder form are characteristically located on the?

  • APositive real axis
  • BNegative real axis
  • Cj-omega axis only
  • DUnit circle
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Correct Answer: B. Negative real axis
Explanation: RL driving-point functions have real nonpositive critical frequencies; their finite poles and zeros interlace on the negative real axis.
Reference: Standard network theory: RL impedance synthesis
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