Define intensity of magnetisation.

A bar magnet made of steel has magnetic moment of 2.5 Am^2 and a mass of 6.6 xx 10^-3 kg .If the density of steel is 7.9 xx 10^3 (kg)/m^3 , find the intensity of magnetisation of the magnet.

A bar magnet of magnetic moment 10 Am^ 2 has a cross sectional area of 2.5 xx1O^-4 m^2 .If the intensity rof magnetisation of the magnet is 10^6 Am^-1 , the length of the magnet is

The ratio of intensity of magnetisation and magnetising field is called

The magnetic susceptibility of a paramagnetic substance is 3 xx10^-4 . It is placed in a magnetising field of 4 xx 10^4 amp/m . The intensity of magnetisation will be

The moment of a magnet (15 cm xx 2 cm xx 1 cm) is 1.2 Am^2 .What is its intensity of ,magnetisation?

On reducing the intensity of radiation falling on the surface of a material, the

Define unit of magnetic intensity in SI.

Answer the following questions: Define intensity of sound.

Name the following: A unit for intensity of magnetic field.