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Electrical Machines
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Electrical machines miscellaneous
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Electrical machines miscellaneous
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Electrical Machines
Electrical machines miscellaneous
A transformer has a core loss of 61 W and copper loss of 144 W. When it is carrying 20% over load current, the load at which this transformer will operates at the maximum efficiency
80%
66%
120%
44%
Correct Option:
A
NA
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