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Induced EMF

  1. May 15, 2012 #1
    Throughout the journey of an aeroplane flight, the magnetic field of the earth will induce and electro motive force in the wings. Is it possible to generate electricty from this EMF?

    Also I am wondering when to use sin or cos.. for the formula phi = BA
  2. jcsd
  3. May 15, 2012 #2
    Why can't the voltage in a DC generator be changed?
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