What happens to power when it is transferred in a transformer?

When power is transferred in a transformer, it is conserved. This principle is based on the law of conservation of energy, which states that energy cannot be created or destroyed, only transformed from one form to another. In the case of transformers, electrical energy is transferred from the primary winding to the secondary winding through electromagnetic induction. Although there can be minor losses due to heat (from resistance in conductors) and other factors like hysteresis and eddy currents in the core, the overall amount of power that enters the transformer is equal to the power that leaves it, minus any losses. Therefore, in an ideal transformer, the power remains constant, illustrating the conservation of power during the transfer process.