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Physics
Physics
Problem
Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity
ρ
C
\rho_C
ρ
C
,
ρ
T
\rho_T
ρ
T
,
ρ
M
\rho_M
ρ
M
and
ρ
A
\rho_A
ρ
A
respectively. Then: a.
ρ
C
>
ρ
A
>
ρ
T
\rho_C > \rho_A > \rho_T
ρ
C
>
ρ
A
>
ρ
T
b.
ρ
M
>
ρ
A
>
ρ
C
\rho_M > \rho_A > \rho_C
ρ
M
>
ρ
A
>
ρ
C
c.
ρ
A
>
ρ
T
>
ρ
C
\rho_A > \rho_T > \rho_C
ρ
A
>
ρ
T
>
ρ
C
d.
ρ
A
>
ρ
M
>
ρ
C
\rho_A > \rho_M > \rho_C
ρ
A
>
ρ
M
>
ρ
C
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