Magnetic properties of matter Questions

A thin diamagnetic rod is placed vertically between the poles of an electromagnet. When the current in the electromagnet is switched on, then the diamagnetic rod is pushed up, out of the horizontal ma...

The magnetic susceptibility is negative for:

The coercivity of a small magnet where the ferromagnet gets demagnetized is 3 × 103 A m-1. The current required to be passed in a solenoid of length 10 cm and number of turns 100, so that the mag...

Magnetic moment of ′Neon′ is (μB = Bohr magneton)

Which atom have magnetic moment zero from following -

Magnetic susceptablity (Xm) of which material not depend on the temperature -

Which is the diamagnetic substance from following

Which is the diamagnetic substance from following

A ferromagnetic material is kept in a magnetic field. The field is increased till the magnetization becomes constant. If the temperature is now decreased, the magnetization :-

Magnetic susceptability (Xm) for super conductor is-

If permeability of vacuum is μ0 and relative permeability is μr then permeability of the medium will be :-

If the permeability of iron piece is 3 × 10-3 Wb/A-m and intensity of magnetising field of iron piece is 120 A/m, then what is the magnetic induction of iron piece:-...

Needles N1, N2 and N3 are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will...

Relative permittivity and permeability of a material are εr and μr, respectively. Which of the following values of these quantities are allowed for a diamagnetic material?...

Electromagnets are made of soft iron because soft iron has

The magnetic moment of a dimagnetic atom is

The correct measure of magnetic hardness of a material is :-

Steel is not attracted by a magnet, because steel is

If the relative permeability of a material is 0.9999 then its nature will be :-

If the magnetic susceptibility of a magnetic material is − 0.004 then its nature will be :-