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Question 249

What is susceptance?

  1. The magnetic impedance of a circuit
  2. The ratio of magnetic field to electric field
  3. The imaginary part of admittanceCorrect answer
  4. A measure of the efficiency of a transformer

Explanation

Admittance has a real part, conductance, and an imaginary part, susceptance. Susceptance describes how readily a reactive element passes alternating current and is measured in siemens.

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Question 249: What is susceptance? · FCC Amateur Extra Class (Element 4) · Questena