What is Bar magnet and Electro magnet
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A bar magnet is a permanent magnet that can create its own persistent magnetic field whereas an electromagnet is a type of temporary magnet that can produce a magnetic field in the presence of an electric current.
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The key difference between bar magnet and electro magnet is that the bar magnet has a permanent magnetic field where as the electromagnet has a temporary magnetic field. A magnet is a material that can produce a magnetic field.
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