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प्रश्न
The magnetic strength is _______ at the poles.
रिक्त स्थान भरें
उत्तर
The magnetic strength is maximum at the poles.
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Classification of Magnets
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संबंधित प्रश्न
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 |
Give the different shapes of Artificial magnets.
How will you make levitating propeller?
______ is the ore with attracting property.
What are the different types of artificial magnets?
______ is the ore of iron which is the strongest natural magnet.
Who laid the foundation for magnetism and suggested that the Earth has a giant bar magnet?
What is the other name of lodestone?
A bar magnet is cut into two pieces A and B, from the middle, as shown in Fig. 13.8.
Will the two pieces act as individual magnets? Mark the poles of these two pieces. Suggest an activity to verify your answer.
