A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 k W . If the current in the secondary coil is 10 A , then the input voltage and current in

Question

A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 k W . If the current in the secondary coil is 10 A , then the input voltage and current in the primary coil are:

TestHub · Accepted Answer

Assuming 100% efficiency, V 2 V 1 = i 1 i 2 = N 2 N 1 i 1 i 2 = N 2 N 1 i 1 10 = 150 300 i 1 = 5 A P = V I 2200 = 5 × V 1 V 1 = 440 V

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