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प्रश्न
A fuse wire has a high melting point.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
Like charges ............while unlike charges attract.
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 |
Charging a conductor by bringing another charged conductor close to it without touching is called
When a glass rod is rubbed with silk, the glass rod and the silk get charged because
Name two substances which can be charged by friction.
An ebonite rod is rubbed with fur. Compare the charges acquired by them.
Name the way of charging a conductor in which the charge is shared.
Explain the charging by induction in terms of movement of electrons.
Figure below shows a metal rod AB placed on an insulating stand.
In figure (a) a negatively charged ebonite rod C is touched with the metal rod AB, while in figure (b), the negatively charged ebonite rod C is held near the rod AB. State the kind of charges at the ends A and B of the rod, in each case.
What is a lightning conductor? How does it work?
