VIDEO-2: What's inside a magnetic ballast which is used to start tube light
Автор: IndianRobotix
Загружено: 2016-02-27
Просмотров: 16427
Описание:
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 alternating current fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the negative differential resistance artifact in the tube's voltage-current characteristic.
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