Question

6. Which of the following cannot be charged by friction?
(a) An ebonite rodb) A ball of wool (c) A copper rod
(d) An inflated balloon
factor reconsible for charging bodies is​

Answer 1

Which of the following Cannot be charged by friction?

Only non-conducting materials can be easily charged by friction. Copper is a highly conducting materials. Therefore, a copper rod cannot be charged easily by friction. (a) and the cloth both acquire positive charge.

Answer 2

C option ; A copper rod

Its the answer..