Question

What is the nature of vi graph

Answer 1

Solution :

(i) The V-I graph for an ohmic meterial is straight line paring through the origin.

Eg: resistor made of margarine

(ii) V-I graph for non- ohmic material is a curve , (ie) non - linear or straight line not passing through origin

eg: junction diode or electrolyte

(i) graph for ohmic material

Answer 2

The graph for ohms law in simple terms is a parabola