Question

V-I graph for two wires A and B are shown in the figure If both wires are of same length and same thickness, which of the two is made of a material of high resistivity? give justification ​

Answer 1

Resistivity is directly proportional to the resistance and is also dependent on the material. Since both the materials are same and their radii are also same the one having high resistivity will be A since it has high resistance ( the slope represent resistance , the higher the slope the higher the resistance the lower the slope the lower the resistance ) .

Answer 2

Explanation:

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