Question
Sun June 17, 2012 By: Neha Sharma
 

What effect causes argon and neon to conduct electricity in the gas filled tube lights?

Expert Reply
Sun June 17, 2012
That effect is called an Electric discharge.

at an apprppriate pressure and enough voltage at the terminal, the air nearby breaks down and can conduct electricity.
SImillar effect is used in cathode ray tubes
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