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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
“Poles exist in pair”. Comment on this statement ?
Write true or false of the following statement.
Magnetic poles occur in pairs.
How will you do this?
Explain that a magnet has a certain magnetic field.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
Define the term Poles of a magnet
Write a short note on lighting conductors.
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.
People who made mariner’s compass for the first time.
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
