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وارد شوید

JAMB - Physics (2019 - No. 72)

Which of these is observed when air is pumped out of a discharge tube without lowering its pressure
the conductivity of the air increases
the conductivity of the air decreases
conduction does not occur
spark are produced

توضیح

Conduction takes places in gases when air is pumped out of a discharged tube under reduced pressure.

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