Question

Due to which reasons the energy losses do occurs in actual transformer ?​

Answer 1

Although transformers are very efficient devices, small energy losses do occur in them due to four main causes: Resistance of windings – the low resistance copper wire used for the windings still has resistance and thereby contribute to heat loss. The eddy currents cause heat loss.

Answer 2

Answer:

Explanation:

The resistance of windings – The low resistance copper cable used for the windings remains resistant and thus leads to heat loss. In order to minimize this loss thick wires with considerably low resistance are used.

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