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प्रश्न
Name two substances which can be charged by friction.
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उत्तर
Two substances which can be charged by friction are
- Glass.
- Ebonite.
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संबंधित प्रश्न
When a comb is rubbed with dry hair both comb and paper get similarly charged.
A glass rod rubbed with silk repels an ebonite rod rubbed with fur.
If a negatively charged rod is brought near a negatively charged pith ball electroscope, the pith ball will be stuck with the rod.
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 |
Name the way of charging a conductor in which the charge is shared.
Describe the method of charging a conductor by conduction.
Describe the method of charging a conductor by induction.
Explain the charging by induction in terms of movement of electrons.
Draw a labelled diagram of a gold leaf electroscope and describe its construction.
State three safety measures that you will observe in thunder storm.
