Question

What is the main difference between a permanent magnet and an electromagnet?

Answer 1

As the name suggests, a permanent magnet is 'permanent'. This means that it always has a magnetic field and will display a magnetic behavior at all times. An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it...

Answer 2

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❥A permanent magnet is 'permanent'. This means that it always has a magnetic field and will display a magnetic behavior at all times. An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it.

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