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MHT CET20242 May 2024Evening ShiftPhysicsAlternating CurrentActual

The current flowing in a coil is 3 A and the power consumed is 108 W . If the a.c. source is of 120 ~V , 50 ~Hz , the resistance in the circuit is

Options

  1. A24
  2. B36
  3. C12
  4. D6

Correct answer

C. 12

Step-by-step solution

array ll & P = I _ rms ^2 R & 108=(3)^2 R & R =12 array

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