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प्रश्न
A magnet has _______ magnetic poles.
रिकाम्या जागा भरा
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उत्तर
A magnet has two magnetic poles.
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Classification of Magnets
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संबंधित प्रश्न
The magnetic strength is _______ at the poles.
man-made magnets are called ______ magnets.
Match the following:
| 1. | Natural magnets | a. | Levitating propeller |
| 2. | Artificial magnets | b. | Wooden spoon |
| 3. | Magnetic substance | c. | Heating |
| 4. | Nonmagnetic substance | d. | Bar magnet |
| 5. | Demagnetization | e. | Pin holders |
| 6. | Electromagnetic train | f. | Magnetite |
Analogy:
Natural magnet: Magnetic stones.
Artificial magnet: ______.
Give the different shapes of Artificial magnets.
What are the different types of artificial magnets?
Who laid the foundation for magnetism and suggested that the Earth has a giant bar magnet?
What is the other name of lodestone?
Mention the three types of iron ores.
Permanent magnets are made of hard magnetic materials like alnico.
