Gases begin to conduct electricity at low pressure because | CGP Edu

Physics Electron, Photon, Photoelectric Effect and X-rays Cathode Rays and Positive Rays MCQ (Single Correct)

Gases begin to conduct electricity at low pressure because

A

At low pressure, gases turn to plasma

B

Colliding electrons can acquire higher kinetic energy due to increased mean free path leading to ionization of atoms

C

Atoms break up into electrons and protons

D

The electrons in atoms can move freely at low pressure

Text Solution

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The correct answer is:

For ionisation, high energy electrons are required.

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