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Q#1 Transformers GATE EE 1993 MCQ +2 marks -0.66 marks

A 220/440 V, 50 Hz, 5 kVA single phase transformer operates on 220V, 40 Hz supply with secondary winding. Then        

The eddy current loss and hysteresis loss of the transformer decrease

The eddy current loss and hysteresis loss of the transformer increase

The hysteresis loss of the transformer increases while eddy current loss remains the same

The hysteresis loss remains the same whereas eddy current loss decreases

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