List of top Physics Questions on Magnetic properties of materials

Which law states that magnetic susceptibility is inversely proportional to absolute temperature?
Which of the following is diamagnetic
If a magnetic material has magnetic susceptibility \( \chi = -0.5 \), then its relative magnetic permeability \( \mu_r \), and the type of material is
What is the dimension of \[ \frac{M B}{K T} \] where \( M \) represents magnetic moment, \( K \) represents the Boltzmann constant, \( B \) represents the magnetic field, and \( T \) represents temperature?
A piece of a diamagnetic material, free to move when placed in a uniform magnetic field:

Which one out of the following materials is \(\textit{not}\) paramagnetic
 

Which of the following substances has magnetic permeability less than that of free space?
The materials having negative magnetic susceptibility are :
Which of the following statements is true in respect of diamagnetic substances?
The relative permeability (\( \mu_r \)) of ferromagnetic substance is
Which of the following materials is the most suitable for making a permanent magnet?
For which of the following is magnetic susceptibility negative?
A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is \( B \). It is then bent into a circular coil of \( n \) turns. The magnetic field at the centre of this coil of \( n \) turns will be
Resistivity of a conductor increases with
The ratio of the respective rms velocities of the gas molecules of an ideal gas at 327°C and at 627°C is:
Match List I with List II.
List I
(Material)		List II
(Subsceptibility(χ))
A.DiamagneticI.χ = 0
B.FerromagneticII.0 > χ ≥ –1
C.ParamagneticIII.χ >> 1
D.Non-magneticIV.0 < χ < ε (a small positive number)
Choose the correct answer from the options given below:
Which elements have the same magnetic moment \( \mu \)?
The magnetic properties of magnets are

A bar magnet with a magnetic moment 50 $Am ^2$ is placed in parallel position relative to a magnetic field of 0.4T. The amount of required work done in turning the magnet from parallel to antiparallel position relative to the field direction is

The magnetic permeability \( \mu \) of a paramagnetic substance is:
A uniform magnetic field b exists in a region. An electron of charge q and mass m moving with velocity v enters the region in a direction perpendicular to the magnetic field. Considering Bohr angular momentum quantization, which of the following statement(s) is/are true?
A compass needle of oscillation magnetometer oscillates 20 times per minute at a place P of dip 30°. The number of oscillations per minute become 10 at another place Q of 60° dip. The ratio of the total magnetic field at the two places (BQ: BP) is

The basic magnetization curve for a ferromagnetic material is shown in figure. Then the value of relative permeability is highest for the point 

The relative permeability of iron is 6000. Its magnetic susceptibility is
In a permanent magnet at room temperature