The moter effect

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Last updated 2:19 PM on 4/5/26

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1

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What is produced when current flows through a conducting wire?

A magnetic field around the wire.

2

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What determines the strength of the magnetic field around a current-carrying wire?

Current size and distance from wire.

3

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What is a solenoid?

A coil of wire creating a strong magnetic field when current flows.

4

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Describe the magnetic field inside a solenoid.

Strong and uniform.

5

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What is an electromagnet?

A solenoid with an iron core (increases field strength).