Magnets and Electromagnetism: Magnetic Forces and Fields

The video tutorial explains the basic principles of magnetism, focusing on magnetic forces, interactions between magnetic poles, and the concept of magnetic fields. It demonstrates how magnets can attract or repel each other based on their poles and illustrates the invisible magnetic fields using iron filings.

Explain how iron filings can be used to visualize a magnetic field.

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What does it mean for magnetic fields to be three-dimensional?

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