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प्रश्न
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
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उत्तर
Each broken piece behaves like a separate magnet. Therefore, four pieces will have eight poles.
Conclusion:
Thus, we can conclude that unlike poles of a magnet attract each other, i.e., the north pole and the south pole of a magnet attract each other.
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संबंधित प्रश्न
State two properties of a bar magnet ?
State four important properties of a bar magnet?
State if the following statement is true or false. Correct the statement if it is false.
Whenever a magnet is not in use, it should be stored along with other magnets.
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 |
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Define the term Magnetic axis
Define the following term:
Geographic meridian
Explain the following:
Resistance of a conductor
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
