Physics · 2019
JEE Main · 10 April 2019, Shift 1 · Q2
In an experiment, the resistance of a material is plotted as a function of temperature (in some range). As shown in the figure, it is a straight…
In an experiment, the resistance of a material is plotted as a function of temperature (in some range). As shown in the figure, it is a straight line.
One may conclude that :
One may conclude that :Official answer
(3)
$\displaystyle \mathrm{R}(\mathrm{~T})=\mathrm{R}_0 \mathrm{e}^{-\mathrm{T}_0{ }^2 / \mathrm{T}^2}$
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.