engineering recuitment JSSC JE Mock Test 2023 Electrical Machines Transformer Transformer Core Losses
If the transformer frequency is changed from 50 Hz to 60 Hz, the ratio of eddy current loss at 60 Hz to 50 Hz at constant voltage will be:
1
5 / 6
2
1 / 1
3
25 / 36
4
36 / 25