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Conductor

Which of the ...

Question

Which of the following graph represents the variations of resistivity $(ρ)$ with the temperature $(T)$ for copper ?

A

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B

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C

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D

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Solution

The correct option is A
Relation between resistivity and temperature is given by
$ρ = ρ_{o} e^{- α T}$

Therefore, option $a$ is correct.

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