A gas would serve as an electrical conductor un... - JAMB Physics 2000 Question
A gas would serve as an electrical conductor under
A
reduced pressure and high current
B
increased magnetic field
C
reduced pressure and reduced potential
D
exposure to visible light
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Correct Option: A
In general, gases conduct electricity under reduced pressure and high voltage/potential.
But from Ohms Law, current is directly proportional to voltage. Thus high current presupposes high voltage.
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