Unit 8 · Electricity and Magnetism

Static Electricity

ScienceSubject
14 minEstimated read
1What is static electricity? How is it produced?
2Why do two rubbed objects always end up with opposite charges rather than the same charge?
3What is electrostatic force? Explain how it is produced.
4Why does static electricity build up on plastic and wool but not on a steel spoon?
5Why do pieces of paper stick to a comb when a comb is used on the hair?
6Why does a crackling sound come when woollen clothes are taken off the body in the dark?
7A balloon rubbed on wool sticks to a plain wall that was never rubbed. How is this possible?
8State the two rules of charge and give an everyday example of each.
9Why does the comb and paper activity often fail during the monsoon?
10An object is described as neutral. Does that mean it has no charge at all? Explain.