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MHT CET20242 May 2024Evening ShiftPhysicsAlternating CurrentActual

L =2 H , C =5 mF and R =12 are connected in series to an a.c. generator of frequency 50 Hz . Then

Options

  1. Aat resonance, impedance of the circuit is zero.
  2. Bat resonance, impedance of the circuit is 12 .
  3. Cthe resonant frequency of the circuit is 1 / 2 .
  4. Dthe inductive reactance is less than the capacitive reactance.

Correct answer

B. at resonance, impedance of the circuit is 12 .

Step-by-step solution

Impedance, Z = R ^2+ ( X _ L - X _ C )^2 At resonance array ll & X _ L = X _ C & Z = R & Z =12 array

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