ISRO Electrical Engineering (EE) 2018 - Question 20

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What is the dynamic Impedance offered by Ideal tank circuit in a network?

  • A. Zero
  • B. Resistive
  • C. Infinity
  • D. None of the above

Answer: C. Infinity

Explanation: For an ideal parallel LC tank circuit with zero coil resistance (R = 0), dynamic impedance Zd = L/(C·R) becomes infinite (∞).

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