Advertisements
Advertisements
प्रश्न
Why does a plastic comb rubbed with dry hair attract bits of paper?
Advertisements
उत्तर
A plastic comb rubbed against dry hair attracts tiny bits of paper because it becomes negatively charged after absorbing electrons from the hair, which becomes positively charged. The negatively charged comb creates a positive charge on the pieces of paper, resulting in an attracting force.
APPEARS IN
संबंधित प्रश्न
All metals are insulators of electricity.
A glass rod rubbed with silk repels an ebonite rod rubbed with fur.
To find whether the charge on a body is positive or negative, an uncharged electroscope is used.
Who discovered the way of producing electricity by friction?
An ebonite rod is rubbed with fur. Compare the charges acquired by them.
State two ways of charging a conductor.
A metal rod A is to be charged positively by using another charged rod B. What should be the kind of charge on the rod B if charging is to be done by conduction?
What is an electroscope?
How will you use a gold leaf electroscope to find out whether the charge on a charged body is positive or negative?
What causes lightning?
