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MHT CET202123 Sep 2021Morning ShiftPhysicsAlternating CurrentActual

A step-up transformer operates on 220 ~V and supplies current of 2 ~A . The ratio of primary and secondary windings is 1: 20 . The current in the primary is

Options

  1. A5 A
  2. B2 A
  3. C40 A
  4. D20 A

Correct answer

C. 40 A

Step-by-step solution

aligned & N_ s N_p =20= I_p I_s & I_p=20 I_S & =20 2=40 ~A aligned

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