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Question

Which of the following has its working based on electromagnetic induction -

A
Ammeter
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B
Voltmeter
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C
Transformer
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D
Galvanometer
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Solution

The correct option is D Transformer

C

Electromagnetic Induction is the production of an emf across an electrical conductor in aa changing magnetic field in a transformer the alternating current through the primary winding produces a continually changing flux and die to this alternating flux on emf is induced in the secondary winding.


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