Q. The resistance of a discharge tube is
A) $Ohmic$
B) Non-$ohmic$
C) Both (a) and (b)
D) Zero
Explanation
(b) This is because of secondary ionisation which is possible in the gas filled in it
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.