railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Transformer Transformer Tests

An 11000/110 V, 50 Hz, single-phase transformer has an exciting current of 0.8 A and a core loss of 440 watts when its h. v. side is energized at rated voltage. The core loss component of the existing current is:

1
0.08 A
2
0.02 A
3
0.04 A
4
0.06 A
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