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प्रश्न
Define the following term regarding a bar magnet:
Magnetic equator
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उत्तर
An imaginary line (PQ) bisecting the effective length of a magnet is called the magnetic equator of the magnet.
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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 ?
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
When magnetic material is taken close to a magnet, the material acquires ______.
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 |
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
What do you understand by the term magnetic declination?
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
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?
Define the terms magnet and magnetism.
