Q. 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 atom can move freely at low pressure
Explanation
(b) For ionisation, high energy electrons are required
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.