A point charge q is placed at some distance d away from the centre of a grounded conducting sphere of radius r, as shown in the figure. The charge that flows the earth to the sphere is

A charge +q is situated at a distance 'd' away from both the sides of a grounded conducting 'L' shaped sheet as shown in the figure. The force acting on the charge +q is

A point charge q is placed at a distance x from the centre of a conducting sphere of radius R(lt x). (a) How much charge will flow through the switch S when it is closed to ground the sphere? (b) Find the current through the switch S when charge ‘q’ is moved towards the sphere with velocity V.

A point charge q is placed at a distance of r from cebtre of an uncharged conducting sphere of rad R(lt r) . The potential at any point on the sphere is

A point charge q is placed at a distance of r from cebtre of an uncharged conducting sphere of rad R(lt r) . The potential at any point on the sphere is

A point charge q , is placed at a distance r from the centre of an aluminium sphere, of radius R ( r gt R ) . Selectr the correct alternatives.

A point charge q is placed at a distance d from the centre of a circular disc of radius R. Find electric flux flowing through the disc due to that charge