Advertisements
Advertisements
Question
A glass rod is rubbed with silk. State the kind of charge acquired by each.
Advertisements
Solution
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
RELATED QUESTIONS
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 |
If the charge is not in motion, we call it static electricity.
A lightning conductor saves the building from lighting.
A glass rod rubbed with silk repels an ebonite rod rubbed with fur.
Two objects when rubbed together get charged. The charges on them are
The lightning conductor is made up of:
An ebonite rod is rubbed with fur. State the kind of-charge acquired by each.
What are free electrons?
Draw a labelled diagram of a gold leaf electroscope and describe its construction.
How will you use a gold leaf electroscope to find out whether the charge on a charged body is positive or negative?
