Current & Magnetic Fields

The video tutorial explains the functionality and applications of electromagnets, highlighting their ability to be switched on and off. It covers the creation of magnetic fields around wires, the concept of solenoids, and how to enhance electromagnet strength by increasing coils or current. The tutorial also discusses graphing the relationship between current and electromagnet strength, emphasizing the practical uses of electromagnets in various fields.

What are some practical applications of electromagnets mentioned in the text?

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Describe how a solenoid is formed and its significance in creating electromagnets.

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