ចំណាត់ក្រុម៖ How does it work?

How does neon-light work?

Neon is the name given to a colorless gas that is present in the atmosphere in a very small proportion-1/65,000th of the air. And a neon-light is the colored light produced when electricity passes through the gas in the bulb or tube with low pressure.

In a neon-light, a glass tubing is filled with neon gas. An electric current