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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
All metals are insulators of electricity.
To find whether the charge on a body is positive or negative, an uncharged electroscope is used.
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 |
What do you understand by electricity at rest?
Why does a plastic comb rubbed with dry hair attract bits of paper?
An ebonite rod is rubbed with fur. State the kind of-charge acquired by each.
An ebonite rod is rubbed with fur. Compare the charges acquired by them.
What is an electroscope?
How will you use a gold leaf electroscope to find out whether a body is charged or uncharged?
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?
