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प्रश्न
Select the correct option:
The substance which form a strong temporary magnet is:
पर्याय
steel
platinum
soft iron
manganese
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उत्तर
soft iron
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संबंधित प्रश्न
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Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
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With the help of a diagram explain the following:
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State the laws of magnetism.
People who made mariner’s compass for the first time.
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| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
