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Magnetism

Magnetism. Instructor: Shelia Chase. Magnetic Field. An area of influence around a moving charge. The size is related to the amount of magnetic force experienced by the moving charge when it’s at a given point in the field. Magnetic Field. Magnetic field = force/ (charge)(speed) B = F/ qV

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Magnetism

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  1. Magnetism Instructor: Shelia Chase

  2. Magnetic Field • An area of influence around a moving charge. • The size is related to the amount of magnetic force experienced by the moving charge when it’s at a given point in the field.

  3. Magnetic Field Magnetic field = force/ (charge)(speed) B = F/qV The SI unit for magnetic field is the tesla (T), which equals one newton per amp X meter (N/A X m)

  4. Magnetic Field The magnitude of the magnetic force can also be written in terms of the current, I, flowing through a length of wire, L. Force = (current)(length of wire)(magnetic field) F = ILB

  5. Magnetic Field The easiest way to detect a magnetic field is with a compass. http://www.youtube.com/watch?v=k0qwmE03J3A

  6. Practice

  7. Physics is fun!

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