Torque acting on a magnet held at angle `theta` with a magnetic field is maximum, where `theta=`

Derive an expression for torque acting on a bar magnet held at an angle with the direction of a uniform magnetic field.

Under what condition, will the torque acting on the bar magnet suspended in a uniform magnetic field be maximum?

The torque acting on an electric dipole of moment p held at an angle theta with an electric field E is ………. .

The torque acting on an electric dipole of moment p held at an angle theta with an electric field E is ………. .

What is the expression for potential energy of a dipole of moment M held at an angle theta with a magnetic field B?

The torque acting on a bar magnet of magnetic moment M in a uniform magnetic field B will be

The ratio of torque acting on a magnet of magnetic moment M' placed in uniform magnetic field when angle between vecM and vecB" are "90^(@) and 0^(@) respectively is magnetic field, it experiences