Hi sir, this is a exam question which I may get the suggested answer 1 month later :)
It is a 2 mark explanation question, so I don't think detailed calculation is needed, and that's why I'm confused :)
1. Homework Statement
How to determine the change of R of a non-ohmic conductor from different parts of I-V graph?
Please see the sketch attached.
Homework Equations
R=V/I
The Attempt at a Solution
For the part that passes through the origin, it is obvious that the...