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Flux Linking in secondary coil for Toroidal Transformer problem

  1. Oct 29, 2009 #1
    1. The problem statement, all variables and given/known data

    A toroidal transformer has been built. It has a square section 'doughnought' shaped non-magnetic core, inner radius 'a' and height 'h' around which the secondary transformer has been wound 'n' times. Calculate the flux linking the secondary due to a time dependent current flowing in the primary which is straight and long compared to the toroid dimensions, but passes through the toroid core at a radial position a/2.

    2. Relevant equations

    Thinking of using the integral form of Faraday's Law or the Boit Savart equation. Leaning towards Faraday's Law as it seems to be a current independent problem.

    3. The attempt at a solution

    I'm unsure of were to even start. (Any advice would be great!)
  2. jcsd
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