When a magnet is heated, its strength –

When a freely suspended bar magnet is heated, its magnetic dipole moment decreases by 36 %. Then its periodic time would

When a magnetic substance is heated, then it

When a magnetic substance is heated, then it

The total magnetic flux in a material, which produces a pole of strength ,(p) when a magnetic material of cross-sectional area A is placed in a magnetic field of strength H , will be

When a bar magnet of pole strength 'm' and magnetic moment 'M' is cut into n equal parts longitudinaly and transversely then pole strength and magnetic moment of each piece is respectively

When a bar magnet of pole strength 'm' and magnetic moment 'M' is cut into n equal parts longitudinaly and transversely then pole strength and magnetic moment of each piece is respectively