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Explain Transformer Working with Construction. - Physics

Explain transformer working with construction.

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Solution

Construction:
It consists of two coils, primary (P) and secondary (S), insulated from each other and wound on a soft iron core as shown in the figure below.

The primary coil is called the input coil and the secondary coil is called the output coil.

Working:
When an alternating voltage is applied to the primary coil, the current through the coil goes on changing. Hence, the magnetic flux through the core also changes. As this changing magnetic flux is linked with both coils, an emf is induced in each of them. The amount of magnetic flux linked with the coil depends on the number of turns of the coil.

Concept: Transformers
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