Physics
JAMB 2019
Which of these is observed when air is pumped out of a discharge tube without lowering its pressure
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A.
the conductivity of the air increases
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B.
the conductivity of the air decreases
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C.
conduction does not occur
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D.
spark are produced
Correct Answer: Option C
Explanation
Conduction takes places in gases when air is pumped out of a discharged tube under reduced pressure.
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