Select the correct option

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

Only non-conducting materials can be charged by friction, and copper is a conducting material. Hence, it can’t be charged by friction.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo