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STANDARD Physics Resistivity and Temperature MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Figure (a) and figure (b) both are showing the variation of resistivity (ρ) with temperature (T) for some materials. Identify the type of these materials.

Question diagram
A

Conductor and semiconductor

B

Conductor and Insulator

C

Insulator and semiconductor

D

Both are conductors

Correct Answer

Option A

Detailed Explanation

Figure (a) shows a typical conductor where resistivity increases with temperature, while figure (b) shows a semiconductor where resistivity decreases with temperature.

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