Themagneticmoment of a magnet of dimensions `5 cmxx2.5 cmxx1.25 cm` is `3 Am^2`. Calculate the intensity of magnetization

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

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

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed, its frequency is found to reduce to quarter of the original frequency, when the magnetic induction changes to 1.25 xx10^(-5) frac(wb)(m^2) . Calculate the original magnetic induction.

When a plate of magnetic material of size 10 cmxx0.5 cmxx0.2 cm (length , breadth and thickness respectively) is located in magnetizing field of 0.5xx10^4 Am^(-1) then a magnetic moment of 5Am^2 is induced in it. Find out magnetic induction in rod.

The magnetic moment of a magnet is 0.1 Am^2 . It is suspended in a magnetic-field of intensity 3 xx 10^-4 (Weber)/(m)^2 .The couple acting upon it when deflected by 30^@ from the magnetic field is

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 moment 2 Am^2 and having a moment of inertia 10^-6 kg-m^2 about a transverse axis passing through its centre is performing S.H.M in a magnetic induction 0.8xx10^-(5)frac(wb)(m^2) . Calculate the period of the bar magnet.

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed. If the frequency is found to reduce to half of its original frequency when the magnetic induction changes to 1.25xx10^(-5) frac(wb)(m2) . Calculate the original magnetic induction.

The magnetization of a bar magnet of length 5 cm, cross-sectional area 2 cm^2 and magnetic moment 1 Am^2 is

A short magnetic dipoles has magnetic moment 0.5 Am^2 . Calculate its magnetic field at a distance of 20cm from the center of magnetic dipole on the axis.