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प्रश्न
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 |
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उत्तर
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | No action |
| Soft iron rod | attracted | attracted |
| North pole of a bar magnet | repelled | attracted |
| South pole of a bar magnet | attracted | repelled |
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संबंधित प्रश्न
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
Answer the following in detail.
How can a magnet be demagnetized?
State three important properties of a magnet.
Define the following term:
Angle of declination
Artificial magnets are made in different shapes such as ______, _____ and _______.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
