The region around a magent where the magnetic forces act is the

Which of these can most easily produce magnetic fields?

A compass needle moves when the compass is brought near a wire. What can you infer about the wire?

Which is the best way to generate an electrical current in a coil of wire?

A wire carrying electric current wrapped around an iron ore is called a(n)

An electromagnet is produced by running an electric current through a coil of wire. How would wrapping the wire around an iron core affect the electromagnet?

An electromagnet becomes magnetic only when

Why would a generator be an important part of an electrical circuit?

When an electric current flowing in a wire is moved through a magnetic field, electrical energy is transformed into _____ energy.

What item is missing that could prevent a simple electric motor from working?

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