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In a given transformer for given applied voltage, losses which remain constant irrespective of load changes are
1. Friction and windage losses
2. Copper losses
3. Hysteresis and eddy current losses
4. None of the above

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Correct Answer - Option 3 : Hysteresis and eddy current losses

Hysteresis and eddy current losses are core losses. These are remains constant for a given applied voltage and irrespective of load changes.

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