Question

how will you charge a Ball Point pen refill by the method of friction

Answer 1

Answer:-

Ball Point pen work on the principle of friction here is use the rolling friction

because paper is sliding friction and we know that rolling friction work better when in opposite is sliding friction

BE SMART ^_^

Answer 2

Rub a ballpoint pen refill with a polythene and place this charged refill in a beaker. Take a balloon and also charge it by rubbing with a piece of woolen cloth. Hold the charged balloon in your hand and bring it's charged end near the charged refill placed in the beaker.
plz mark as BRIANLIEST