An inflated rubber balloon is rubbed with a woollen cloth whereas a ballpoint pen refill is rubbed with a polythene bag. Which of these will get positively charged?
A) Inflated rubber balloon

B) Woollen cloth

C) Ballpoint pen refill

D) Polythene bag
A ballpoint pen refill can be charged by rubbing it against the wool cloth. It becomes negatively charged.

Question

A ballpoint pen refill can be charged by rubbing it against the wool cloth. It becomes negatively charged.

Philoid · Accepted Answer

A ballpoint pen refill can be charged by rubbing it against the wool cloth. It becomes negatively charged.