For some metals like copper, resistivity is nearly proportional to temperature although a non linear region always exists at very low temperature. Relation between resistivity and temperature is given by ρ=ρ∘e−aT
Which of the following graph represents the variation of resistivity (ρ ) with temperature (T) for copper?
NEET UG 2020 — Physics Electromagnetism
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Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper?
Official previous-year question
Held on 30 Apr 2020 · Verified 9 Jul 2026.
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