Question

cureent I verses V graph for two metallic conductors A and B are given in the adjoining figure. Which of the two conductor has higher resistance and why?​

Answer 1

Answer:

Slope of the graph will give us reciprocal of resistance. Here resistance at temperature T¹ is greater than that of R² . Since resistance of metallic wire is more at higher temperature than at lower temperature, hence T¹>T²

Explanation:

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Answer 2

Your answer will be

Slope of the graph will give us reciprocal of resistance. Here resistance of temperature T2 is greater than of R2. Since the resistance of metallic wire is more at higher temperature then at lower temperature, hence T1(greater than) T2.