17. a point charge q is at a distance d from a conducting plane, the energy required to move the charge to infinitely away from the plane is (a) g 4d (b) 4 -9 (

17. A point charge q is at a distance d from a conducting plane, the energy required to move the charge to infinitely away from the plane is (A) g 4d (B) 4 -9 (C) d (D)-qd