Advertisements
Advertisements
Question
A glass rod rubbed with silk is touched with the disc of a negatively charged gold leaf electroscope. The divergence of leaves will
Options
decrease
increase
remain unchanged
first decrease and then increase.
Solution
decrease
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.
The cap of gold leaf electroscope is made of copper.
A glass rod rubbed with silk repels an ebonite rod rubbed with fur.
The lightning conductor is made up of:
A glass rod is rubbed with silk. Explain the charging of the glass rod and the silk on the basis of electron movement.
State two ways of charging a conductor.
How will you use a pith ball electroscope to find out whether the charge on a charged body is positive or negative?
How will you use a gold leaf electroscope to find out whether a body is charged or uncharged?
What causes lightning?