A short bar magnet placed with its axis at `30^@`with a uniform external magnetic field of 0.25 T experiences a torque of magnitude equal to `4.5 xx 10^-2 J`.What is the magnitude of magnetic moment of the magnet ?

A short bar magnet placed with its axis at 30^@ with a uniform external uniform magnetic field of 025T experiencesa torqueof magnitude 4.5xx10^(-2)J . What is themagnitudeof magnetic dipole moment?

A short bar magnet is placed in an external magnetic field of 700 gauss. When its axis makes an angle of 30^@ with the external magnetic field, it experiences a torque of 0.014Nm. Find the magnetic moment of the magnet and the work done in moving it from the most stable to most unstable position.

An electric dipole of length 2 cm is placed with its axis making angle of 30^@ to a uniform electric field of 10^5 N//C . It experiences a torque of 17.32 Nm. The magnitude of charge on the dipole is

A bar magnet is placed inside a uniform magnetic field, What does in experience?

Choose the corect options. When a bar magnet is placed in a uniform magnetic field, it experiences

Each pole of magnet of length 20 cm in a magnetic field of induction 0.2 T experiences a force 20 N. The magnetic moment of magnet is

A beam of a-particles moving along +x axis, experiences a force due to a magnetic field along +y axis.What is the direction of magnetic field?

The torque acting on a magnet of magnetic moment 'M' placed in a uniform magnetic field B is