cold cathode मीनिंग इन हिंदी

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Cold cathodes sometimes have a rare earth coating to enhance electron emission.
Cold cathode discharge lamps use higher voltages than hot cathode ones.
Most ion gauges come in two types : hot cathode and cold cathode.
His early experiments were with Crookes tubes, a cold cathode electrical discharge tube.
They come in two types : hot cathode and cold cathode.
Both hot cathode and cold cathode type devices are encountered.
The cold cathode system was installed in a number of gold mines and worked reliably.
Cold cathodes may also emit electrons by photoelectric emission.
This is in contrast to a cold cathode which does not have a heating element.
Crookes tubes are cold cathode tubes, meaning that they do not have a heated pascal ).

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