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13-12-2019
Physics

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4.
(**) How can a current be induced in a closed circuit without the
use of a battery or electrical power?
A. By moving the circuit into a high temperature field
B. By moving the circuit into a gravitational field
By moving the circuit into a magnetic field
D. By moving the circuit into a nuclear field

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tahirnimra287 tahirnimra287

13-12-2019

C option bcz when a cicuit is placed in a magnetic field then current is infuced in it or emf is induced which is opposite to the electric current flowing through closed circuit

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