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Electromagnetic induction with two coils and an iron heart

  1. Nov 20, 2012 #1
    1. The problem statement, all variables and given/known data
    [​IMG]

    Two coils are place on an iron heart, like in the picture. The top Coil is connected to a galvanometer, the second could be connected to a power source.


    2. Relevant equations

    Will an electric current flow through the top coil when:

    a) connecting and then disconnecting the DC chain that the bottom coil is connected to.

    b) connecting the bottom coil to a DC source.

    c) connecting the bottom coil to a AC source.

    d) removing the top coil upwards from an iron heart, when the bottom coil is connected to a DC source.

    e) removing the iron heart upwards, when the bottom coil is connected to a DC source.


    In all cases briefly explain Your answers.

    3. The attempt at a solution
     
  2. jcsd
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