Gases begin to conduct electricity at low pressure because [CBSE PMT 1 – McqOptions

MCQOPTIONS

1.	Gases begin to conduct electricity at low pressure because [CBSE PMT 1994]
A.	At low pressure, gases turn to plasma
B.	Colliding electrons can acquire higher kinetic energy due to increased mean free path leading to ionisation of atoms
C.	Atoms break up into electrons and protons
D.	The electrons in atoms can move freely at low pressure
Answer» C. Atoms break up into electrons and protons

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