Discussion :: GATE EEE
- A single-phase transformer has no-load loss of 64 W, as obtained from an open-circuit test. When a short-circuit test is performed on it with 90% of the rated currents flowing in its both LV and HV windings, the measured loss is 81 W. The transformer has maximum efficiency when operated at
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A.
50.0% of the rated current.
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B.
64.0% of the rated current.
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C.
80.0% of the rated current.
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D.
88.8% of the rated current.
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Answer : Option C
Explanation :
-NA-
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