As per Matthiessen's rule, the total resistivity r of a conductor can – McqOptions

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1.	As per Matthiessen's rule, the total resistivity r of a conductor can be written as ρ = ρi + aT, where ρi and a are constants and T is absolute temperature. At very low temperatures
A.	aT = 0
B.	aT > ρi
C.	aT ∼ ρi
D.	aT < ρi
Answer» E.

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