Question 333: Current Electricity

Question

Consider four conducting materials copper,
tungsten, mercury and aluminium with
resistivity $$\rho $$
C
, $$\rho $$
T
, $$\rho $$
M
and $$\rho $$
A
respectively. Then :

Accepted Answer

ÃÂ
M
= 98 ÃÂ 10
Ã¢ÂÂ8
ÃÂ
A
= 2.80 ÃÂ 10
Ã¢ÂÂ8
ÃÂ
C
= 1.72 ÃÂ 10
Ã¢ÂÂ8
ÃÂ
T
= 5.65 ÃÂ 10
Ã¢ÂÂ8
$$ 	herefore $$ $$ho $$
M
>  $$ho $$
T
> $$ho $$
A
>  $$ho $$
C

Answer

$$\rho $$
C
>  $$\rho $$
A
>  $$\rho $$
T

Answer

$$\rho $$
M
>  $$\rho $$
A
>  $$\rho $$
C

Answer

$$\rho $$
A
>  $$\rho $$
T
>  $$\rho $$
C

Answer

$$\rho $$
A
>  $$\rho $$
M
>  $$\rho $$
C

Current Electricity

Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity $\rho C , \rho T , \rho M and \rho $ A respectively. Then :

Choose the correct answer: