Question

An ebonite is rubbed with fur. State the kind of charge acquired by each.

Answer 1

When a glass rod is rubbed with silk, the glass rod loses electrons to the silk piece. The glass rod has free electrons which are less tightly bound so get transferred to the silk cloth. The glass rod has a deficiency of electrons and acquired a positive charge while the silk cloth acquires a negative charge.

On rubbing, electrons wove from glass rod to silk