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Question
Which of the following cannot be charged easily by friction?
Options
A plastic scale
A copper rod
An inflated balloon
A woollen cloth
MCQ
Solution
A copper rod
Explanation:
When an object is charged through friction, charges form on the two materials. As an excellent conductor, copper permits charges to travel readily, redistributes surplus charges fast, and does not hold considerable charges due to friction. As a result, friction makes it harder to charge a copper rod.
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Types of Charges and Their Interaction
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