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प्रश्न
To find whether the charge on a body is positive or negative, an uncharged electroscope is used.
पर्याय
True
False
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उत्तर
False
Correct: To find whether the charge on a body is positive or negative, a charged electroscope is used.
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संबंधित प्रश्न
When glass rod is rubbed with dry silk cloth, the electrons move from glass to silk.
If a glass rod rubbed with silk is brought near the cap of a negatively charged electroscope, the divergence of leaves will decrease.
A lightning conductor saves the building from lighting.
A conductor has a large number of free electrons.
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 |
A gold-leaf electroscope is to be charged positively by conduction. For this
A glass rod is rubbed with silk. State the kind of charge acquired by each.
What causes the charging of two objects when they are rubbed together?
State two ways of charging a conductor.
How will you use a gold leaf electroscope to find out whether a body is charged or uncharged?
