(a) Explain how a gas can be made to conduct electricity. (b) Name the electric...
PHYSICS
WAEC 2001
(a) Explain how a gas can be made to conduct electricity.
(b) Name the electric charge carriers in gases.
Explanation
(a) The molecule or atoms of a gas must be ionised before the gas can conduct electricity. Ionisation of the gas requires that light the gas pressure is greatly reduced within the enclosure and a high voltage is applied to the enclosed gas.
(b) The electric charge carriers in gases are electrons and ions.
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