Advertisements
Advertisements
प्रश्न
An ebonite rod is rubbed with fur. Explain the charging of the ebonite rod and the fur on the basis of electron movement.
Advertisements
उत्तर
An Ebonite rod is rubbed with fur.
Ebonite rod gains electrons and acquires negative charge while fur loses electrons and acquires positive charge.
Explanation
Suppose an ebonite rod has 7 protons and 7 electrons and fur has 10 electrons and 10 protons.
On rubbing together, fur loses 2 electrons and ebonite rod gains 2 electrons. Now fur has 8 electrons and 10 protons which makes it positively charged. The ebonite rod has 9 electrons and 7 protons making it negatively charged.
APPEARS IN
संबंधित प्रश्न
All metals are insulators of electricity.
Match the following
| Column A | Column B |
| Electric power | volt |
| kWh | joule |
| Electric current | volt × ampere |
| Electric energy | watt |
| watt | ampere |
| potential difference | electrical energy |
Human body is a conductor of electricity.
When an ebonite rod is rubbed with fur, the rod acquires
Charging a conductor by bringing another charged conductor close to it without touching is called
The factor responsible for charging a conductor is
An ebonite rod is rubbed with fur. Compare the charges acquired by them.
In each of the following cases, State which body loses electrons:
(a) A glass rod when rubbed with silk.
(b) An ebonite rod when rubbed with fur.
Distinguish between conductors and insulators of electricity.
Give one example each of a conductor and an insulator of electricity.
