Electromagnetism

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What is Electromagnetism?

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Electromagnetism is a branch of physics that deals with the interaction between electric charges and magnetic fields.

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What are the two poles of a magnet?

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The two poles of a magnet are the north pole and the south pole.

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What happens when like poles of magnets are brought together?

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Like poles repel each other.

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What happens when opposite poles of magnets are brought together?

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Opposite poles attract each other.

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What are magnetic domains?

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Magnetic domains are microscopic regions within a material where the magnetic fields of atoms are aligned in the same direction.

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What materials are attracted to magnets?

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Materials that contain iron, nickel, or cobalt are attracted to magnets.

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What is a magnetic field?

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A magnetic field is the area around a magnet where magnetic forces can be observed.

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What is an electromagnet?

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An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

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How can you increase the strength of an electromagnet?

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You can increase the strength of an electromagnet by increasing the current, adding more coils of wire, or using a ferromagnetic core.

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What is the right-hand rule in electromagnetism?

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The right-hand rule is a method used to determine the direction of the magnetic field around a current-carrying wire.

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