A rod ferromagnetic with dimensions `10 xx 0.5 xx0.2`cm is placed in a magnetic field of strength `0.5xx 10^(4)` amp/m as a result of which a magnetic moment of `5 amp-m^(2)` is produced in the rod.The value of magnetic induction will be

A rod of ferromegnetic materical with dimensions 10cmxx0.5cmxx2cm is placed in a magnetising field of intensity 2xx10^(5)A//m . The magnetic moment produced due it is 6 amop-m^(2) . The value of magnetic induction will be------ 10^(-2)T .

When arod of magnetic material of size 10cm xx 0.5 cm xx 0.2cm is located in magnetizing field of 0.5 xx 10^(4)A/ m then a magnetic moment of 5 Am^(2) is induced in it. Find out the magnetic induction (in. (Wb) / (m)^(2) ) in the rod.

A magnetic material of volume 30cm^(3) is placed in a magnetic field of intensity 5 oversted. The manetic moment produced due it is 6 amp-m^(2) . The value of magnetic induction will be.

A magnet vibrates in amagnetic field of strength 10^(-4)pi^(2)T. If the moment of magnet is 0.1Am^(2) and its moment of inertia is 10^(-5) Kg m^(2) then the period of oscillation will be

A specimen of iron of permeability 8 xx 10^(-3) weber/A m is placed in a magnetic field of strength 160 A/m . Magnetic induction in this iron is

A bar magnet of magnetic moment 0.4 Am^(2) is placed in a uniform magnetic field of induction 5 xx10^(-2) tesla. The angle between the magnetic induction and the magnetic moment is 30^(@) . The torque acting on the magnet is

The bar magnet produces magnetic induction of 4 xx 10^(-5)T at a point 10 cm from centre on the axis of magnet. The magnetic moment is The bar magnet produces magnetic induction

The torque acting on a magnetie dipole of moment 5 A m^(2) when placed in an external uniform magnetic induction 1.5 xx 10^(-4)" Wb/m"^(2) at right angle to magnetic induction is

The magnitude of magnetic induction at a point in a magnetic field of area 25 cm and magnetic flux 5xx 10^(-4)Wb is