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NTA Abhyas JEE Main2020PhysicsAlternating CurrentPractice

The reading of the ammeter and voltmeter are (Both the instruments are ac meters and measures rms value) -

Options

  1. A2 A , 110 V
  2. B2 A , 0 V
  3. C2 A , 55 V
  4. D1 A , 0 V

Correct answer

B. 2 A , 0 V

Step-by-step solution

The circuit is R L C resonant circuit. ∴ R e a d i n g o f v o l t m e t e r = V L - V C = 0 R e a d i n g o f a m m e t e r = E r m s Z = E r m s R = 110 55 = 2 A

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