Question

Charge acquired by a glass rod is ______ when it is rubbed with a silk cloth.

Answer 1

1. When the glass rod is rubbed with silk clothes, the glass quickly loses electrons.
2. So after rubbing, the glass rod becomes positively charged.
3. Silk takes electrons out of the glass rod.
4. Hence, the silk gets negative charges and the glass rod gets positive charges.

Hence, the charge acquired by a glass rod is positive when it is rubbed with a silk cloth.