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When a glass rod is rubbed with a silk cloth, charges appear on both. A similar phenomenon is observed with many other pairs of bodies. Explain how this observation is consistent with the law of conservation of charge.

Class: Class 12 Subject: Physics Topic: Electric Charges and Fields

Rubbing two objects would produce charges that are equal in magnitude and opposite in nature on the two bodies.

This happens due to the reason that charges are created in pairs. This phenomenon is called charging by friction.

The net charge of the system however remains zero as the opposite charges equal in magnitude annihilate each other.

So, rubbing a glass rod with a silk cloth creates opposite charges of equal magnitude on both of them and this observation is found to be consistent with the law of conservation of charge.

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When a glass rod is rubbed with a silk cloth, charges appear on both. A similar phenomenon is observed with many other pairs of bodies. Explain how this observation is consistent with the law of conservation of charge.

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