Question

Find an expression of EMF in the due to change in the area of quarrel lying in the in uniform magnetic field

Answer 1

Answer:

Explanation:

The emf is induced in the coil due to the change in following factors :

1. Change in magnetic field.

2. Charge in area of a coil.

3. The change in orientation of the coil

The induced emf is given by :

Where

If the area of a coil is changing, then induced emf is given by :

Where

is the change in area of a coil.

Therefore, this is the required solution.

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Induced emf