Magnetism

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Describes magnetism and its relationship to electricity.
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Magnetism

  1. 1. W. Sautter 2015
  2. 2. N + Fingers = magnetic flux lines North to South Thumb = direction of + charge Motion (current) Palm = force Exerted on The charge Centripetal force On charge caused By magnetic field Charge moves in a circular path 2
  3. 3. 3
  4. 4. N (magnet) S By convention (everybody agrees) lines of magnetic Flux leave the North pole and enter the South pole Lines of flux are continuous and do not intersect each other. 4
  5. 5. 5
  6. 6. LENZ’S LAW When a magnet induces a current flow in a conductor, the induced current flows in a direction so as to create a magnetic field in the conductor that opposes the original magnet field Conductor Wire loop Using the Right Hand Rule 6
  7. 7. Direction of conventional current flow (fingers) North end of Induced Magnetic Field (thumb) 7
  8. 8. 8 Click Here

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