Advertisements
Advertisements
प्रश्न
A glass rod is rubbed with silk. State the kind of charge acquired by each.
Advertisements
उत्तर
When a glass rod is rubbed with silk, the glass rod which has free electrons get transferred to the silk cloth. The glass rod has a deficiency of electrons acquired a positive charge while the silk cloth acquires electrons, therefore acquires a negative charge.

APPEARS IN
संबंधित प्रश्न
An electrical appliance is rated as 60 W – 150 V.
What do you understand by this statement?
When glass rod is rubbed with dry silk cloth, the electrons move from glass to silk.
If a glass rod rubbed with silk is brought near the cap of a negatively charged electroscope, the divergence of leaves will decrease.
A glass rod rubbed with silk is suspended near an ebonite r rod rubbed with fur. What will be your observation? Give a reason to your answer.
An ebonite rod is rubbed with fur. Explain the charging of the ebonite rod and the fur on the basis of electron movement.
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?
Figure below shows a metal rod AB placed on an insulating stand.
In figure (a) a negatively charged ebonite rod C is touched with the metal rod AB, while in figure (b), the negatively charged ebonite rod C is held near the rod AB. State the kind of charges at the ends A and B of the rod, in each case.

Name the two types of electroscopes.
How will you use a gold leaf electroscope to find out whether a body is charged or uncharged?
