'Current carrying loop' presentation slideshows

Chapter 19 & 20

Chapter 19 & 20. 19.1 Magnets and Magnetic Fields. Magnets There are many types of magnets; horseshoe , bar and flat. They will pick things up, attach things to a refrigerator, etc. Magnets attract iron -containing materials like paperclips, nails and so on.

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MAGNETISM

MAGNETISM. Lodestones. Natural Magnets Magnetite, Fe 3 O 4 (an oxide of iron) Ancient civilizations (Greek 590 BCE, Chinese 2600 BCE) realized that these stones would cling to iron tools. A suspended, pivoting lodestone always pointed along the North-South axis. Lodestones.

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Magnetism

Magnetism. Magnetic fields can be caused in three different ways 1. A moving electrical charge such as a wire with current flowing in it 2. By electrons or protons which act like little bar magnets 3. By some magnetic atoms such as iron (ferromagnetism)

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Electricity and Magnetism

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Physics 106 Lesson #22 Magnetism: Speakers and Microphones

Physics 106 Lesson #22 Magnetism: Speakers and Microphones. Dr. Andrew Tomasch 2405 Randall Lab atomasch@umich.edu. Review: The Magnetic Force on a Wire. The force on a wire carrying current is perpendicular to both the wire and the magnetic field

101 views • 9 slides