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Question

A negatively charged body has ................. of electrons compared to the number of protons in respective atom.

A
rubbing
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B
excesss
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C
positively
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D
induction
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Solution

The correct option is D excesss
Negative electrification is due to the excess of electrons (compared to the normal number of electrons in a neutral atom).For example, on rubbing a glass rod with silk, the electrons from the glass rod get transferred to the silk. The silk now has an excess of electrons and so is negatively-charged. On the other hand, the glass rod is deficient in electrons and hence is positively-charged.
Hence, a
negatively charged body has excess of electrons.

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