A 220-volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer is
Text Solution
Verified by ExpertsThe correct answer is:
D
Here, Input voltage, 
Output voltage, 
Input current,
?.
Output current,
A
Efficiency of the transformer,
80%
Efficiency of the transformer, 
or 

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