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  • The induced emf can be produced in a coil by A. moving the coil with uniform speed inside uniform magnetic field B. moving the coil with non uniform speed inside uniform magnetic fiel

The induced emf can be produced in a coil by
A. moving the coil with uniform speed inside uniform magnetic field
B. moving the coil with non uniform speed inside uniform magnetic field
C. rotating the coil inside the uniform magnetic field
D. changing the area of the coil inside the uniform magnetic field
Choose the correct answer from the options given below :

Option: 1

B and D only


Option: 2

C and D only


Option: 3

B and C only


Option: 4

A and C only


Answers (1)

best_answer

Induced emf can be induced in a coil by changing magnetic flux.
And \phi=\vec{B} \cdot \overrightarrow{d A}
By rotating coil, angle between coil and magnetic field changes and hence flux changes.
By changing area, magnetic flux changes.

Posted by

sudhir.kumar

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