How is an emf induced by changing magnetic flux?

1 Answer
Jan 16, 2018

As the electrons get accumulated, a potential will be developed and hence an EMF,

Since, as the magnetic field is changing then, EMF will also change.

Explanation:

The electrons, e^-, in a conductor remains always in random motion; with average velocity v.

If it is kept under changing Magnetic Field, B, will exert a force

F = q. v. B. Sin Ø

Ø: is angle between the velocity and magnetic field.

Thus electron(s) will move toward a particular direction decided by the vectorial product of

Velocity x "Magnetic Field".

As the electrons get accumulated, a potential will be developed and hence an EMF,

Since, the magnetic field is changing then, EMF will also change.

=>This is probably the reason, changing EMF is developed by changing magnetic field or flux.