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?

100 W
400 W
300 W
500 W

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SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1200 W
400 W
1600 W
800 W

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SSC JE Electrical 2019 with solution SET-1
 Is it possible to have current in a transmission line, under no-load conditions?

Yes, because of the capacitance effect
Yes, because of skin effect
Yes, because of the corona effect
No, because of the proximity effect

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