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Explain the difference between a temporary and a permanent magnet In a permanent magnet, the electrons in the substance remain aligned and exert a magnetic
A magnetic screen is added to the permanent magnet thruster to improve performance by the boundary between the annular and cylindrical regions
A piece of magnetic material that has been magnetised is a permanent magnet There are two main differences between permanent magnets and electromagnets: You
To learn about the difference between permanent magnets and electromagnets 4 To describe the relationship between electricity and magnetism when using an
Explain why it is better to use an electromagnet rather than a permanent magnet in Logical links are made between relevant points and use in a scrapyard
attracted by permanent magnets that can also be made of iron compounds Analogy between electrostatics and magnetism is incomplete because one cannot