Magnetization and Magnetic Intensity

The following figure shows the variation of intensity of magnetisation $\mathrm{I}$ versus the applied magnetic field intensity $\mathrm{H}$, for two magnetic materials $\text{A}$ and $\text{B}$

Which of the material have a larger susceptibility for a given field at constant temperature?

The magnetic susceptibility of a paramagnetic substance at $-173 \mathrm{℃}$ is $1.5\times {10}^{-2}$, then it's value at $-73 \mathrm{℃}$ will be:

For super conductors, magnetic susceptibility is -

The relative permeability $\left({\mu }_r\right)$ of a ferromagnetic substance varies with temperature $\left(T\right)$ according to the curve,

Susceptibility of a diamagnetic substance is

Relative permeability of iron is $5500$. Its magnetic susceptibility is

If number of turns, area and current through a coil are given by $n, A$ and $I$ respectively, then its magnetic moment is given by

Susceptibility of $\mathrm{Mg}$ at $300 \mathrm{K}$ is $1.2\times {10}^{-5}.$ The temperature at which susceptibility will be $1.8\times {10}^{-5}$ is :

Choose the INCORRECT statement

A rod of ferromagnetic material with dimensions $10 \mathrm{cm}\times 0.5 \mathrm{cm}\times 0.2 \mathrm{cm}$ is placed in a magnetic field of strength $0.5\times {10}^4 {\mathrm{Am}}^{-1}$ as a result of which a magnetic moment of $5 {\mathrm{Am}}^2$ is produced in the rod. The value of magnetic induction will be :-

If the magnetic flux is expressed in weber, then the magnetic induction can be expressed in 

If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by µ_d, µ_p and µ_f respectively, then :

For superconductors, magnetic susceptibility is -

What is the maximum possible intensity of magnetisation in the paramagnetic gas at  $27°\mathrm{C}$ and the number of molecules per unit volume in it is $2\times {10}^{26} {\mathrm{m}}^{-3}$. Given dipole moment of each molecule is $1.5\times {10}^{-23} \mathrm{A}-{\mathrm{m}}^2$.

Who is known for their research on conformity in social psychology?

What is the name of the alternative therapy that uses magnets to improve health?

In a relational database, what does the term 'normalization' primarily refer to?

The magnetic susceptibility of a paramagnetic substance at $-173 \mathrm{℃}$ is $1.5\times {10}^{-2}$, then it's value at $-73 \mathrm{℃}$ will be:

The relation connecting magnetic susceptibility $X_m$ and relative permeability ${\mu }_r$ is

A domain in ferromagnetic iron in the form of cube is having $5\times {10}^5$ atoms. If the side length of this domain is $1.5 \mathrm{\mu m}$ and each atom has a dipole moment of $8\times {10}^{-24} \mathrm{A} {\mathrm{m}}^2$, then magnetisation of domain is