Consider four conducing materials copper, tungsten, mercury and aluminum with resistivity ρ C ,  …

1. ${\mathrm{\rho }}_{\mathrm{C}}>{\mathrm{\rho }}_{\mathrm{A}}>{\mathrm{\rho }}_{\mathrm{T}}$
2. ${\mathrm{\rho }}_{\mathrm{M}}>{\mathrm{\rho }}_{\mathrm{A}}>{\mathrm{\rho }}_{\mathrm{C}}$
3. ${\mathrm{\rho }}_{\mathrm{A}}>{\mathrm{\rho }}_{\mathrm{T}}>{\mathrm{\rho }}_{\mathrm{C}}$
4. ${\mathrm{\rho }}_{\mathrm{A}}>{\mathrm{\rho }}_{\mathrm{M}}>{\mathrm{\rho }}_{\mathrm{C}}$

Solution

Asked in: JEE Main 2020 (02 Sep Shift 1)

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