Is the permeability of a ferromagnetic material independent of the magnetic feld? If not, is it more for lower or higher fields?

Give the range of magnetic permeability for a ferromagnetic substance .

Relative permeability of a material, mu, = 0.5 . Identify the nature of the magnetic material and write its relation to magnetic susceptibility.

The magnetic field due to a current element is independent of :

A Rowland ring of mean radius 15 cm has 3500 tums of wire wound on a ferromagnetic core of relative permeability 800. What is the magnetic field B in the core for a magnetising current of 1.2 A?

What kind of ferromagnetic material is used for coating magnetic tapes in a cassette player, or for building 'memory stores in a modern computer?

Which of the following statement [s] is ture ? A] Electric field and magnetic field are independent B] Electric field and magnetic field are interrelated C] Electric field and magnetic field may be produced by a stationary charge .

Which of the following statement [s] is ture ? A] Electric field and magnetic field are independent B] Electric field and magnetic field are interrelated C] Electric field and magnetic field may be produced by a stationary charge .