Embibe Experts Solutions for Chapter: Matter and Magnetism, Exercise 1: Exercise - 1

When a small magnetising field $H$ is applied to a magnetic material, the intensity of magnetisation $I$ is proportional to

How does the magnetic susceptibility $X$ of a paramagnetic material change with absolute temperature $T$?

Consider the following statements for a paramagnetic substance kept in a magnetic field.

(a) If the magnetic field increases, the magnetisation increases.

(b) If temperature rises, the magnetisation increases.

Which of the following relations is not correct?

The hysteresis loop for the material of a permanent magnet is :

Select the incorrect alternative (s).

When a ferromagnetic material goes through a complete cycle of magnetisation, the magnetic susceptibility 

The material for making permanent magnets should have

(a) Soft iron is a conductor of electricity.

(b) It is a magnetic material.

(c) It is an alloy of iron.

(d) It is used for making permanent magnets. State whether