dmx_definitions:ballast
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+ | ====== Ballast ====== | ||
+ | An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic. | ||
+ | Ballasts vary greatly in complexity. They can be as simple as a series resistor as commonly used with small neon lamps or light-emitting diodes (LEDs). For higher-power installations, |
dmx_definitions/ballast.txt · Last modified: 2013/03/12 22:03 by 127.0.0.1