SSC JE Electrical 2019 with solution SET-1
 Which of the following losses is together called iron losses?

Hysteresis loss and copper loss
Eddy current loss and frictional loss
Eddy current loss and hysteresis loss
Hysteresis loss and frictional loss

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SSC JE Electrical 2019 with solution SET-1
 What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

300 W
100 W
500 W
400 W

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