Basic Tesla’s Experiments (Part 5) – Impedance Matching

This video shows the influence of  resistance  on the power absorbed by the load.
In experiments with wireless energy transfer are used different RF oscillators. Tesla coil is also an RF oscillator which typically generates alternating current in the range 50kHz to several MHz.

RF currents have their own rules that are somewhat different from the NF electricity, especially DC.

If the bulb with a lower power does not light, usually leads to the conclusion that the bulb with more power certainly not lights. This conclusion may not be correct. Everything depends on the impedance matching of sources and loads. This video shows a few examples that often lead to wrong conclusions.
See also: https://en.wikipedia.org/wiki/Impedan…

Note – related resistance incandescent bulbs:
The actual resistance of the filament is temperature dependent. The cold resistance of tungsten-filament lamps is about 1/15 the hot-filament resistance when the lamp is operating.
https://en.wikipedia.org/wiki/Incande…

wireless electricity - wireless power - impedance matching - setup
wireless electricity – wireless power – impedance matching

2 comments on “Basic Tesla’s Experiments (Part 5) – Impedance Matching

  1. Thanks for the video. Question: how do you know the 40W light bulb have a match impedance? and 21W don't?

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