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Question
Which of the following charge is acquired by silk when the silk is rubbed with glass?
Which of the following charge is acquired by silk when the silk is rubbed with glass?
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Solution
The correct option is C Negative
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.
In the above example, the silk undergoes negative electrification.
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.
In the above example, the silk undergoes negative electrification.
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