Question

Source of energy losses in a transformer

Answer 1

Energy Losses In Transformer. 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.

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Answer 2

Energy Losses In Transformer. Althoughtransformers 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.