Question
Physics Question on Current electricity
The resistance of a discharge tube is
A
non-ohmic
B
ohmic
C
zero
D
both (b) and (c)
Answer
non-ohmic
Explanation
Solution
Only metals show Ohmic resistance
The resistance of a discharge tube is
non-ohmic
ohmic
zero
both (b) and (c)
non-ohmic
Only metals show Ohmic resistance