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Setting up an LRC series circuit with coupled coils

  1. Feb 9, 2015 #1
    1. The problem statement, all variables and given/known data
    I have been trying to set up an LRC series circuit where in place of an inductor we have a pair of coupled coils. My aim is to determine the resonant frequency in the circuit when the voltage across the resistor or the current in the circuit is at a maximum. I am using a function generator to create a sinusoidal function through the first coil which in turn will create an emf through the second coil placed inside the first. I am then trying to display the resulting waveform on an oscilloscope display along with the input. I am using the second coils dimensions to calculate a theoretical inductor value but I am having trouble correctly connecting the circuit up.

    I have connected what I thought was correct but am confused as to how to incorporate the ground from the function generator. Normally I would connect the resistor to the negative (ground) output of the function generator but how do I do that with the coupled coils present?

    Thanks in advance!
     
  2. jcsd
  3. Feb 9, 2015 #2

    BvU

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    Could you set up a diagram and post it ? Much easier to comment on... Something like this ?

    upload_2015-2-10_0-21-33.png
     
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