Q. The cotterells precipitator is used to :
A) Neutralize charge on carbon particles in air in smoke
B) Coagulate carbon atoms of smoke
C) Bring in cataphoresis in carbon particles
D) All of the above
Explanation
(d)
The negatively charged carbon particles in air (smoke) are moved towards anode due to cataphoresis, where they are neutralized to left free air. The process is used to control air pollution.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.