Select the correct option in Questions 1 and 2.

Q.1 Which of the following cannot be charged easily by friction?

(a) A plastic scale
(b) A copper rod
(c) An inflated balloon
(d) A woollen cloth.

Answer :

(b) A copper rod

EXPLANATION

Copper rod cannot be charged easily by friction because it is a conductor. Charging any body by friction only takes place in case of non-conducting materials.

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