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प्रश्न
What are free electrons?
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उत्तर
FREE ELECTRONS. Electrons of the outermost orbit of a solid, which can easily leave the atom and become free to move inside the solid are called FREE ELECTRONS
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संबंधित प्रश्न
Human body is a conductor of electricity.
The cap of gold leaf electroscope is made of copper.
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.
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 |
In each of the following cases, State which body loses electrons:
(a) A glass rod when rubbed with silk.
(b) An ebonite rod when rubbed with fur.
Can you charge an insulator by the method of conduction?
Name the two types of electroscopes.
How will you use a gold leaf electroscope to find out whether the charge on a charged body is positive or negative?
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?
