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JEE Main2004PhysicsAlternating CurrentActual

Alternating current can not be measured by D.C. ammeter because

Options

  1. AA.C. cannot pass through D.C.
  2. BA.C. changes direction
  3. Caverage value of current for complete cycle is zero
  4. DD.C. ammeter will get damaged.

Correct answer

C. average value of current for complete cycle is zero

Step-by-step solution

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