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Chapter 22: Q.1 (page 623)

Can an insulator be charged? If so, how would you charge an insulator? If not, why not?

Short Answer

Expert verified

Reason: By frictional contact between an non-grounded or grounded conductor and an insulator, the charging happens.

Step by step solution

01

Given information

An insulator can be charged by friction contact with a grounded conductor, such as wool. Insulators tend to lose electrons, and their electrons travel through the conductor to the ground.

Therefore, fewer electrons would mean it would be positively charged.

02

Explanation

A non-grounded conductor can be charged by rubbing an insulator. Since conductors tend to conduct electrons, due to mechanical vibrations caused by friction the electrons will break from the insulator surface and travel into the conductor, and the conductor would have more electrons, meaning it would be negatively charged.

Reason: By frictional contact between an non-grounded conductor and an insulator.

By frictional contact between an insulator and a grounded conductor also charging happens.

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