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प्रश्न
Define the following term regarding a bar magnet:
Effective length
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उत्तर
The distance (NS) between the north pole and south pole of a magnet is called the length or effective length of the magnet.
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संबंधित प्रश्न
You are given a magnet. How will you use it to find north-south direction at a place?
What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.
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.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
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 |
Describe, how you will proceed to determine the position of the pole of a bar magnet.
Define the following term:
Angle of declination
Give the uses of magnets in everyday life.
