Question

A glass rod acquires charge by rubbing it with silk cloth. The charge on glass rod is due to (a) Friction (b) Conduction (c) Induction (d) Radiation​

Answer 1

(a) Friction

Friction is a force between two surfaces that are sliding, or trying to slide, across each other. For example, when you try to push a book along the floor, friction makes this difficult. Friction always works in the direction opposite to the direction in which the object is moving, or trying to move