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BITSAT2013PhysicsElectromagnetic InductionActual

The ratio of secondary and primary turns of step-up transformer is 4: 1 . If a current of 4 A is applied to the primary, the induced current in secondary will be

Options

  1. A8 ~A
  2. B2 ~A
  3. C1 ~A
  4. D0.5 ~A

Correct answer

C. 1 ~A

Step-by-step solution

I _ S I _ P = N _ P N _ S = 1 4 I _ S = 1 4 4=1 ~A

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