explain the process of charging an object by friction.

Insulators are the substances that get charged when rubbed or they can get charged due to friction. Insulators are those which don’t conduct electricity. Or, we can say electrons from one end of the insulator don’t flow to the other end.

When you rub two insulators against one another, some electrons get dislocated between the surfaces because of friction. These charges cannot flow through the insulator but stay static on the surface. Hence, this charge is called static charge.

Example: When a plastic comb is rubbed in dry hair, electrons are rubbed off the hair to the comb. This is because in hair the electrons are less tightly bound compared to the comb. Hence, the comb gets negatively charged.

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