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Question

The principle on which transformer works is?

A
Mutual induction
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B
Self induction
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C
Electromagnetic induction
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D
None of these
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Solution

The correct option is A Mutual induction
Answer is A.
Mutual inductance is where the magnetic field generated by a coil of wire induces voltage in an adjacent coil of wire. A transformer is a device constructed of two or more coils in close proximity to each other, with the purpose of creating a condition of mutual inductance between the coils.

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