Advertisements
Advertisements
Question
What causes the charging of two objects when they are rubbed together?
Advertisements
Solution
CAUSE OF CHARGING OF TWO OBJECTS WHEN RUBBED:
Both objects before rubbing are neutral.
On Rubbing transfer of electrons from one object to other object takes place.
The body from which electrons are transferred gets DEFICIENT in ELECTRONS and becomes POSITIVELY charged.
The body to which electrons are transferred has EXCESS ELECTRONS and becomes NEGATIVELY charged.
APPEARS IN
RELATED QUESTIONS
If the charge is not in motion, we call it static electricity.
Human body is a conductor of electricity.
When glass rod is rubbed with dry silk cloth, the electrons move from glass to silk.
A lightning conductor saves the building from lighting.
An ebonite rod when rubbed with fur acquires the ............ charge.
Charging a conductor by bringing another charged conductor close to it without touching is called
An ebonite rod rubbed with fur is suspended near another ebonite rod rubbed with fur. State your observation and give a reason to support your answer.
What is the net charge on an atom?
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.
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?
