How do object acquire charges on rubbing ? Explain with an example.

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Solution

The free electrons are transferred from one body to another on rubbing thus making one body negatively charged $($ one which accepts electrons $)$ and the other becomes positively charged $($ one which donates electrons $) .$
Example $: -$ Combing hair charges the comb in the same way $.$

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Similar questions

A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woollen cloth.

Now, out of glass rod, silk cloth, rubber balloon and woollen cloth:

(a) Which two objects acquire negative charge?

(b) Which two objects acquire positive charge?

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