If a current is passed through a spring then the spring will

If a current is passed in a spring then

A current is passed through a conducting spring . Then the spring

A direct current is sent through a helical spring. The spring -

A current is passed through a vertical spring from whose lower end a weight is hanging. What will happen to the weight ?

A body is suspended from the lower end of a vertical spring. What shall be the effect on the position of the body when a current is sent through the spring? Does it depend upon the direction of current in the spring?

A Weight W suspeded from a spring is raised through a height h so that the spring becomes just slack .If E was the energy of the stretched spring , then the gain in gravitational potential energy is