Module 3 Electromagnetism Review

Front

Why does a paper clip attract to a magnet?

Back

Because the north poles of the paper clip point toward the south pole of the magnet.

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Front

What happens to the electric force when the distance is increased between them?

Back

It decreases.

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Front

What causes a maglev train to float above its rails?

Back

Magnetism.

Front

What is a material through which electrons can move easily?

Back

Conductor.

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Front

What do both an electromagnet and a permanent magnet have?

Back

They have a north pole and a south pole.

Front

What is the definition of magnetism?

Back

Magnetism is a force that can attract or repel certain materials, typically metals, and is produced by the motion of electric charges.

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Front

What is an electromagnet?

Back

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

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Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electrons to flow easily, while an insulator resists the flow of electrons.

Front

What happens to the strength of a magnetic field as you move away from the magnet?

Back

The strength of the magnetic field decreases as you move away from the magnet.

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Front

What is the role of electric charge in magnetism?

Back

Electric charge is the source of electric fields, and moving electric charges create magnetic fields.

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