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Why gases conduct electricity when pressure is reduced in discharge tube?
Wiki User
∙ 11y ago
In discharge tube, gases do not conduct electricity, in fact the current is applied through metallic electrodes.
Wiki User
∙ 11y ago
When the pressure is reduced in a discharge tube, the mean free path of the gas molecules increases. This allows the gas molecules to gain more energy and move freely, colliding with the charged particles in the discharge tube and facilitating the flow of electric charge. As a result, the gases become partially ionized, creating a conductive path for the electricity.
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