………….. Is a coiled conductor wound up in a shape of a spring

We use mechanical energy in generators to move the magnet or coiled conductor continously . In that case what shall be the energy change in a generator ?

Write whether true or false : I) In a charged conductor charge reside inside and outside of the conductor, II) In a charged conductor net field is zero inside the conductor, III) Potential is Zero Inside the conductor, IV) The entire part of the conductor (including sur face of the conductor) Is at constant potential.