Question

Do you have experience of the instances given below? What is the causse of these effects?
1) A plastic comb or ruler rubbed on dry hair attracts pieces of paper.
2) If we pass near a polyster curtain again and again, it gets attracted towards us.
3) If we rub a blanket with our hands and take it near a metal object, a spark is seen in the dark.
Do you know of other instances?

Answer 1

Here to help,
we come across with these instances. main cause of this is the static electricity produced between the objects by rubbing which causes attraction or produce a spark.
Hope it is helpful.

Answer 2

Hello Neeraj,
Yes dear, I've experienced that sort of experiences sometimes.

● Answers -
- Basically rubbing some materials induces electric charges amongst them. These charges are called stationary charges and the phenomenon is termed static electricity.
- As charged bodies can attract uncharged bodies, we experience the aforementioned phenomenon in surroundings.

# Similar instances -
- Clouds rub on each other to produce thunder & lightning.
- Electrostatic precipitators attract dust particles from smoke.


Thanks for asking..