Define:-
Electromagnetic induction.

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Solution

The current is a result of an emf induced by a changing magnetic field, whether or not there is a path for current to flow. Faraday's apparatus for demonstrating that a magnetic field can produce a current. A change in the field produced by the top coil induces an emf and, hence, a current in the bottom coil.

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Similar questions

(a) What is electromagnetic induction
(b) Describe one experiment to demonstrate the phenomenon of electromagnetic induction.

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