Uploaded July 2022 | Updated September 2026, 2 weeks ago

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In the previous episode, we examined the different types of electric breakdown. These have largely assumed a DC current. Since the advent of using alternating current in power transmission it was quickly realised that breakdown in dielectric insulators occurs much more easily in AC compared to DC. The reasons for this are not well understood.

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Electrical Scarring Series:
Plasma Gun Volcanoes - youtu.be/-YLsLGX1OXE
Plasma Experiments vs Real Craters - youtu.be/zGTbMuatXZ8
Lunar Sinuous Rilles - youtu.be/DRvm28xbE00
Secondary Discharges due to a magnetic field - youtu.be/heTQBJVzA_8
Cathode Spots are FRACTAL - youtu.be/dvGPizGIHtU
Understand Electric Discharges - youtu.be/0Pl5qBajPLk

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References:
nature.com/articles/srep32588
https://indico.cern.ch/event/452527/papers/2173324/files/3821-ipmhvc2016_revised.pdf