what is added in Mercury vapour lamp along with argen gas
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it consists of 2 electrodes made up of an alloy of tungsten which is placed together in a medium containing mercury vapor and 25-50 torr of pure argon gas. These electrodes are enclosed in an elliptically shaped glass tube made up of silica. The main purpose of the ballast and ignitor is to control voltage and current.
mohdafzal86837:
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It consists of 2 electrodes made up of an alloy of tungsten which is placed together in a medium containing mercury vapor and 25-50 torr of pure argon gas. These electrodes are enclosed in an elliptically shaped glass tube made up of silica. The main purpose of the ballast and ignitor is to control voltage and current.
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