When a glass rod is rubbed with silk, it acquires a positive charge because of which of the following reasons?

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Protons are added to it

Electrons are added to it

Protons are removed from it

Electrons are removed from it

answer is D.

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Detailed Solution

When a glass rod is rubbed with silk, it acquires a positive charge because electrons are removed from it the glass rod.
Electrons are not bound in the nucleus, but protons are; therefore, protons are immobile. The electrons are stripped away from the atoms in the glass rod and transferred to the silk cloth, resulting in the glass rod becoming positively charged. The silk cloth gets negatively charged after gaining electrons.

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