Electromagnetic Induction(EMI)

Chapter-6|Electromagnetic Induction (EMI)| NCERT 12th Physics:

Electromagnetic Induction(EMI):

The phenomenon of generation of current or EMF by changing the magnetic field is known as electromagnetic induction.

Magnetic Flux:

The total number of magnetic field lines crossing through any surface normally, when it is placed in a magnetic field is known as magnetic flux of that surface.

 

Let a loop enclosing an area A is placed in a uniform magnetic field B, then the magnetic flux through the loop is given by

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