A transformer consisting of 300 turns in the
primary and 150 turns in the secondary gives
output power of 2.2 kW. If the current in the
secondary coil is 10A, then the input voltage
and current in the primary coil are :
220 V and 20 A
220 V and 10A
440 V and 5A
440 V and 20 A
Solution
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