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प्रश्न
Name the material used for preparing an electromagnet.
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उत्तर
The material used for preparing an electromagnet is soft iron.
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संबंधित प्रश्न
How is an electromagnet made? Name two factors on which the strength of magnetic field of the electromagnet depends.
The following figure shows a coil wound around a soft iron bar XY.
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- Suggest one way of increasing the strength of electromagnet so formed.

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Speaker
Explain the working of the following device.
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