Physics · 2020
JEE Main · 2 September 2020, Shift 1 · Q12
Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity ρ_C, ρ_T, ρ_M and ρ_A respectively. Then:
Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity $\displaystyle \rho_{\mathrm{C}}, \rho_{\mathrm{T}}, \rho_{\mathrm{M}}$ and $\displaystyle \rho_{\mathrm{A}}$ respectively. Then :
Official answer
(4)
$\displaystyle \rho_{\mathrm{M}}>\rho_{\mathrm{A}}>\rho_{\mathrm{C}}$
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.