Efficiency of a power transformer is of the order of
A) 100 per cent
B) 98 per cent
C) 50 per cent
D) 25 per cent
Correct Answer:
Verified
Q15: While conducting short-circuit test on a transformer
Q16: In the transformer following winding has got
Q17: A transformer transforms
A)voltage
B)current
C)power
D)frequency
Q18: A transformer cannot raise or lower the
Q19: Primary winding of a transformer
A)is always a
Q20: Which winding in a transformer has more
Q22: In a given transformer for given applied
Q23: A common method of cooling a power
Q24: The no load current in a transformer
Q25: In a transformer routine efficiency depends upon
A)supply
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