For which of the following substances the temperature co-efficient of resistivity is positive ?
A. Carbon
B. Germanium
C. Electrolyte
D. Aluminium
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Answer: D
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For which of the following substances the temperature co-efficient of resistivity is positive ?
A. Carbon
B. Germanium
C. Electrolyte
D. Aluminium
Answer: D
Share your understanding of this question with the correct explanation.