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Devices using permanent magnets and electromagnets

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Galvin Pinto asked;


  1. List the devices where permanent magnets & electromagnets are used.
  2. Sketch the pattern of the field lines around a current carrying:
    • Straight Conductor

    • Loop of wire

    • Solenoid

    Ans:

    1. Permanent Magnets are used in
    • Laboratory magnets
    • loud speakers
    • microphones
    • cyclotron
    • generators
    • and many more
  • Pattern of the field lines around a current carrying
  • Straight Conductor

    image

    Loop of wire

    image

    Solenoid

    image


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