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PhysicsNEET 2023Transformers

Alternating Current

A 12 V, 60 W lamp is connected to the secondary of a step-down transformer whose primary is connected to AC mains of 220 V. Assuming the transformer to be ideal, what is the current in the primary winding?

  1. A.0.27 A✓
  2. B.2.7 A
  3. C.3.7 A
  4. D.0.37 A

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