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PHY122_L09 - PHY122 Physics for the Life Sciences II...

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Lecture 9 1 PHY122 – Physics for the Life Sciences II Lecture 9 Magnetism Note: Clicker Channel 21 10/04/2010
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Chapter 24 - Overview Magnets and Magnetic Fields Currents as Sources of the Magnetic Field Current in a straight wire Current Loop: B at center of the loop – Solenoid • the Magnetic Force – the force from a Magnetic Field: on moving charges on currents: on a straight wire: the force between two wires … on a current loop • Ferromagnetism • Applications: the electric Motor – Loudspeaker – MRI 10/04/2010 Lecture 9 3
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