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KVPY2015PhysicsAlternating Current

An ac voltmeter connected between points A and B in the circuit below reads 36 ~V . If it is connected between A and C , the reading is 39 ~V . The reading when it is connected between B and D is 25 ~V . What will the voltmeter read when it is connected between A and D?) Assume that the voltmeter reads true rms voltage values and that the source generated a pure ac.)

Options

  1. A481 ~V
  2. B31V
  3. C61V
  4. D3361 ~V

Correct answer

A. 481 ~V

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