What Is the Voltage at the Top of a Solid State Tesla Coil? @HVE

Uploaded July 2026 | Updated September 2026, 3 hours ago

In this video, I show you how to measure the voltage at the top of a solid-state Tesla coil.

As part of my research on the effect of voltage magnitude and frequency on streamer length, I needed to determine the actual voltage at the top of my solid-state Tesla coil. At the university, we have high-voltage dividers that can be connected directly to the Tesla coil. However, the probes I have at home are not rated for this type of measurement.
Instead, I demonstrate how to make the measurement at home using a simple capacitive voltage divider that is easy to build. The results are quite interesting: the voltage at the top of the Tesla coil is only in the order of tens of kilovolts, typically between 30 kV and 70 kV, despite the impressive size of the streamers it produces.

New videos on the topic of streamer lenght will come soon

What Is the Voltage at the Top of a Solid State Tesla Coil?

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