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Electrical Machines
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Electrical machines miscellaneous
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Electrical machines miscellaneous
Easy Questions
Moderate Questions
Electrical Machines
Electrical machines miscellaneous
The hysteresis eddy current losses of a single phase transformer working on 200 V, 50 Hz supply are P
h
and P
e
respectively. The per cent age decreases in these, when operated on a 160 V, 40 Hz supply are
32, 36
20, 36
25, 20
40, 80
Correct Option:
B
NA
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