Advertisements
Advertisements
Question
An ebonite rod is rubbed with fur. Compare the charges acquired by them.
Advertisements
Solution
An ebonite rod is rubbed with fur, the electrons are transferred from fur to ebonite rod. Ebonite has an excess of electrons is negatively charged and fur due to a deficit of the same number of electrons gets a positive charge.
APPEARS IN
RELATED QUESTIONS
If the charge is not in motion, we call it static electricity.
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.
The conductor of electricity is
Name three constituents of an atom and state the kind of charge on each of them.
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.

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?
When a charged rod is touched with the disc of a positively charged gold-leaf electroscope, it is observed that the divergence of leaves decreases. What is the kind of charge on the rod?
How is a tall building protected from damage due to lightning?
