Question

(a) The care of a transformer is laminated. Why?​

Answer 1

Answer:

Using laminations in a transformer construction reduces eddy current losses. The losses of energy, which appears as heat due both to hysteresis and to eddy currents in the magnetic path, is known commonly as “transformer core losses”.

Answer 2

Answer:

The core is laminated to reduce these to a minimum as they interfere with the efficient transfer of energy from the primary coil to the secondary one. The eddy currents cause energy to be lost from the transformer as they heat up the core - meaning that electrical energy is being wasted as unwanted heat energy.

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