Give the expression for magnetic potential energy and the meaning of the symbols.

Derive an expression for potential energy.

State the expression for magnetic potential energy of a bar magnet. Find the potential energy for theta=90^@

State the expression for magnetic potential energy of a bar magnet. Find the potential energy for theta=180^@

State the expression for magnetic potential energy of a bar magnet. Find the potential energy for theta= 0^@

Derive the expression for gravitational potential energy.

Give the expression for the potential energy of a particle executing SHM.

Give the expression for potential energy stored in a spring.