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प्रश्न
Define the term Poles of a magnet
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उत्तर
Poles of the Magnet: The points of the magnet where the attraction appears to be maximum are called poles of the magnet.
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संबंधित प्रश्न
What is a magnet?
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
Define the following term regarding a bar magnet:
Effective length
If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ______ bar magnets are formed, and a total of _____ poles are formed.
If a magnet attracts a piece of metal, that piece must be made of ______.
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
What are magnetic keepers? What are they used for?
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
