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प्रश्न
Name the two types of electroscopes.
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उत्तर
The electroscope are of two types.
(i) Pith ball electroscope.
(ii) Gold leaf electroscope.
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संबंधित प्रश्न
To find whether the charge on a body is positive or negative, an uncharged electroscope is used.
Mercury is a ............ of electricity while pure water is ............ of electricity.
When an uncharged conductor is brought in contact with the disc of a gold leaf electroscope, its leaves ....................
Match the following
| Column A | Column B |
| A. Two like charges | 1 negative charge |
| B. Two unlike charges |
2 repel |
| C. Silver is a | 3 insulator |
| D. Silk is an | 4 attract |
| E. Ebonite rod rubbed with fur acquires | 5 conductor |
Describe an experiment to demonstrate that there are two r kinds of charges.
A metal rod A is to be charged positively by using another charged rod B. What should be the kind of charge on the rod B if charging is to be done by conduction?
Explain the charging by induction in terms of movement of 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 a body is charged or uncharged?
What are the effects of lightning?
