Tesla Coil Concept

Demonstrations in Tesla Coil

Tesla coil on a plywood base in a lecture hall: red-wire secondary coil with aluminum toroid on top, copper spiral primary coil visible at the base, and a warning label about the 15-second operating limit
Safety

Tesla Coil

A spark-gap Tesla coil produces dramatic 75-cm arcs and wirelessly lights a fluorescent tube, demonstrating resonant energy transfer, high-frequency electromagnetic fields, and dielectric breakdown of air.