Electromagnetism vs electromagnetic induction

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  • Created by: Rachel
  • Created on: 01-05-13 18:26
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  • Electromagnetic Induction
    • How voltage/current is generated (generator)
    • Produces an alternating current
    • to make a bigger current, increase: Number of turns, Strength of magnet, Speed of coil movement
    • How voltage is made
      • Coil moves, wire cuts magnetic field lines, experiences a change in magnetic field, voltage induced
  • Electromagnetism vs Electromagnetic Induction
    • Electromagnetism
      • To create a bigger force increase: number of turns, strength of magnet, current
      • How a force is made
        • current in wire produces a magnetic field, field interacts with permanent magnetic fields, we get a force from where the field is strong to where it is weak
        • A Loudspeaker uses this principle
      • Left hand rule = Thumb (Thrust), First finger (field) seCond finger current
    • Electromagnetic Induction
      • How voltage/current is generated (generator)
      • Produces an alternating current
      • to make a bigger current, increase: Number of turns, Strength of magnet, Speed of coil movement
      • How voltage is made
        • Coil moves, wire cuts magnetic field lines, experiences a change in magnetic field, voltage induced

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