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MHT CET202014 Oct 2020Evening ShiftPhysicsAlternating CurrentActual

In series LCR circuit, resistance is 18 and impedance is 33 . An r.m.s. voltage of 220 ~V is applied across the circuit. The true power consumed in a.c. circuit is

Options

  1. A400 ~V
  2. B600 ~V
  3. C800 ~V
  4. D200 ~V

Correct answer

C. 800 ~V

Step-by-step solution

I= V Z = 220 33 = 20 3 AP=I² R= ( 20 3 )² 18=800 ~W

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