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JEE Main2015PhysicsAlternating CurrentActual

The AC voltage across a resistance can be measured using a:

Options

  1. AMoving magnet galvanometer
  2. BMoving coil galvanometer
  3. CHot wire voltmeter
  4. DPotentiometer

Correct answer

C. Hot wire voltmeter

Step-by-step solution

The AC voltage can be measured by hot wire voltmeter. It uses the heating effect of the current.

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