Question

a metallicv sphere having no net charge is placed near a finite metal plate carrying a net positive charge.the electric force on sphere will be?

Answer 1

The electric force on the sphere will be towards the metallic plate because a same amount of opposite charge will be induced near the end of the sphere and it will result in an attractive force towards the sphere.

The magnitude of this force will be:

F = $k\frac{q^2}{r^2}$

Where
q= chare on the plate
r = distance between the sphere and the plate