Transformer Primary Current (Jee Mains) | ExamDuo
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AC Devices
Medium
Transformer Primary Current
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
SELECT ONE OPTION
A
3.6 ampere
B
2.8 ampere
C
2.5 ampere
D
5.0 ampere
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