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
The correct answer is option (b) A copper rod.
Because copper is a metal.

Question

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

Philoid · Accepted Answer

The correct answer is option (b) A copper rod.

Because copper is a metal.