Class 12 Physics: Magnetism and Matter Worksheet

Which of the following materials is weakly repelled by a magnetic field?

The magnetic susceptibility of a diamagnetic material is:

Above the Curie temperature, a ferromagnetic material becomes:

The SI unit of magnetic field strength (H) is ________.

A magnetic dipole in a uniform magnetic field experiences:

According to Curie's Law, the magnetic susceptibility of a paramagnetic material is inversely proportional to its absolute ________.

Why are electromagnets made of soft iron?

The Earth's magnetic field approximately resembles that of a giant magnetic dipole located at its center, tilted at an angle of about ________ with the axis of rotation.

The phenomenon by which the core of a ferromagnetic material can retain some magnetism even after the external magnetizing field is removed is called ________.

Distinguish between magnetic inclination (dip) and magnetic declination.