Magnetic Properties of Materials

Which one of the following species is diamagnetic in nature?

State Curie's law.

Define 'retentivity' and 'coercivity' of a ferromagnetic material.

When Superconductors, are heated above the critical temperature, they expel magnetic field and do not allow the magnetic field to penetrate inside them. 

Explain meissner Effect

Meissner effect is strictly followed by

What is the Meissner effect?

In superconductivity the conductivity of a material becomes

The coils of a superconducting magnet are usually made of niobium _____ in a copper matrix.

In a superconductor, electricity will flow for a long time and then stop.

The hysteresis loss in soft magnetic materials must be kept ______

Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show

For diamagnetic substance, magnetic susceptibility is 

In the non-uniform external magnetic field, which of the material move from strong field region to a weak field region.

Which of the materials gets repelled by a magnetic field?

The susceptibility of magnetism at $300 \mathrm{K}$ is $1.2\times {10}^{-15}$. What will be its susceptibility at $200 \mathrm{K}$?

In the non-uniform external magnetic field, which of the material move from weak field region to a strong field region.

Which of the materials gets strongly attracted by a magnetic field?

Which of the materials gets repelled by a magnetic field?

A ferromagnetic substance becomes paramagnetic substance when heated above curie temperature.