Question

When a piece of a ferromagnetic substance is put in a uniform magnetic field. flux density inside it is four times the flux density away from the piece. the magnetic permeability of the material is :-?

Answer 1

The answer must be 4

as magnetic permeability of a material is the measurement of the ability of a material to pass through the material as the field is 4 times inside so the answer must be 4

Answer 2

Answer:

Explanation:

û = B / B°

û = 4B°/ B°

û = 4 .