The work done in turning a magnet of magnetic moment \'M\' by an angle of `90^(@)` from the meridian
Channel: Doubtnut
Date: 19/01/2020

The work done in turning a magnet of magnetic moment \'M\' by an angle of `90^(@)` from the meridian is \'n\' times the corresponding work done to turn it through an angle of `60^(@)`, where \'n\' is given by