JEE Main & Advanced
Physics
Electro Magnetic Induction
Question Bank
Application of EMI (Motor, Dynamo, Transformer)
question_answer
A power transformer is used to step up an alternating e.m.f. of 220 V to 11 kV to transmit 4.4 kW of power. If the primary coil has 1000 turns, what is the current rating of the secondary ? Assume 100% efficiency for the transformer [MP PET 1997]