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प्रश्न
The rod in a gold leaf electroscope is made up of
विकल्प
wood
brass
glass
ebonite
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उत्तर
brass
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संबंधित प्रश्न
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 |
When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.
When an ebonite rod is rubbed with fur, the protons move from the ebonite rod to the fur.
When a glass rod is rubbed with dry silk cloth, the charge acquired by the silk cloth is
When a glass rod is rubbed with silk, the glass rod and the silk get charged because
What do you mean by conservation of charges?
Distinguish between conductors and insulators of electricity.
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?
Describe Franklin’s experiment. What did he conclude from his experiment?
