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प्रश्न
The BH curve for a ferromagnetic material is shown in the figure. The material is placed inside a long solenoid which contains 1000 turns/cm. The current that should be passed in the solenonid to demagnetize the ferromagnet completely is
पर्याय
1.00 m A
1.25 mA
1.50 mA
1.75 mA
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उत्तर
1.50 mA
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संबंधित प्रश्न
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(ii) get oriented opposite to the direction of the applied magnetic field.
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| List - I | List - II | ||
| (Property) | (Example) | ||
| (A) | Diamagnetism | (i) | MnO |
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| (D) | Antiferromagnetism | (iv) | Fe3O4 |
Choose the most appropriate answer from the options given below:
