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What exactly does the capacitor do in a Tesla coil?

  1. Apr 18, 2016 #1
    In all tutorials I have read on tesla coils, they have said to use a capacitor spark-gap configuration, to create a tank circuit. I want to know exactly what this means, and what is its purpose. I am not going to build a Tesla coil, I am nearly just interested in the science of it.
     
  2. jcsd
  3. Apr 18, 2016 #2
    The capacitor on the primary side? It stores electric energy during the charge-up cycle of Tesla coil operation.
     
  4. Apr 20, 2016 #3
    Yes, on the primary side, and that's it?
     
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