Magnetic flux linked with a surface:
It is the number of magnetic lines of force crossing a surface.
Flux linked with a surface of area A placed in a magnetic field B, .
SI unit of flux is Weber.
First Law − Whenever the amount of magnetic flux linked with a circuit changes, an emf is induced in the circuit. The induced emf lasts as long as the change in magnetic flux continues.
Second Law − The magnitude of emf induced in a ci…
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