Physics · 2023
NEET 2023 · 7 May · Code E3 · Q49
The resistance of platinum wire at 0^° C is 2 Ω and 6.8 Ω at 80^° C. The temperature coefficient of resistance of the wire is:
The resistance of platinum wire at $\displaystyle 0^{\circ} \mathrm{C}$ is $\displaystyle 2 \Omega$ and $\displaystyle 6.8 \Omega$ at $\displaystyle 80^{\circ} \mathrm{C}$. The temperature coefficient of resistance of the wire is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 3 \times 10^{-2}{ }^{\circ} \mathrm{C}^{-1}$
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NEET (UG) 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.