In gas-discharge lamps light is produced through the ionisation of a gas in the discharge tube. In the process the gas becomes conductive. There are low-pressure, high-pressure and very high-pressure discharge lamps. Discharge lamps offer a much higher luminous output than incandescent lamps. They are operatedwith Ballasts (for current limitation) and usually with an Igniter.
Modified on: Wed, 22 Jun, 2016 at 3:38 PM
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