Why do gases not conduct electricity at ordinary pressure?

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SUMMARY

Gases do not conduct electricity at ordinary pressure due to their lack of free electrons or free ions. In a discharge tube, when the power switch is on, the gas remains an insulator, preventing current flow. This phenomenon is a fundamental property of gases, confirming their inability to conduct electricity under normal conditions.

PREREQUISITES
  • Understanding of electrical conductivity
  • Knowledge of atomic structure and electron behavior
  • Familiarity with discharge tubes and their operation
  • Basic principles of gas behavior under different pressures
NEXT STEPS
  • Research the properties of gases as insulators
  • Explore the behavior of gases in discharge tubes
  • Learn about ionization processes in gases
  • Investigate the effects of pressure on gas conductivity
USEFUL FOR

Students of physics, electrical engineers, and anyone interested in the principles of electrical conductivity in gases.

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why current does not flow through gas in discharge tube at ordinary pressure?
 
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Gases are not supposed to conduct electricity when you leave the power switch on. If it were so, you wouldn't had asked the question.

Gases are insulators of electricity, since they can't conduct electricity as they lack free electrons or free ions.
 

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