Question

Give the nature of V-I graph for.
(i)ohmic
(ii)non-ohmic
circuit elements. Give an example of each

Answer 1

REF . Image.

(i) the V-I graph of ohmic material is a straight line passing through origin. e.g. resistor made of margarine.

(ii) V-I graph for non ohmic material is a straight are non - linear curve, not passing through origin e.g. Junction chide or electrolyte