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State the working principle of transformer.

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There are two coils in transformer. one is called primary winding and second is called secondary winding. These two winding are inductively linked. The Transformer works on the principle of mutual induction. The principal of mutual induction states that if the current in one coil is changing this changing current will produce changing magnetic flux and this changing magnetic flux will produce EMF in in second coil. The EMF is called statically induced EMF.
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Absolutely correct answer sir we using home what transformer
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Working principle of a transformer: The transformer operates on the principle of mutual induction. When ac supply is applied to primary it circulates ac flux in core which is going to link with secondary. The changing linking flux with secondary produces emf in secondary .

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