Material
|
Copper
|
Aluminium
|
Silver
|
Nickel
|
Resistivity
(Ωm)
|
1.62 x 10
– 8
|
2.63 x 10
– 8
|
1.60 x 10
– 8
|
6.48 x 10
– 8
|
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Resistivity of some material is given below. State which one will be the best conductor.
From the above
table we find that of all the metals, silver has the lowest resistivity (1.60 x
10 – 8 Ωm), which means that silver offers the least resistance to
the flow of current through it. Thus, silver metal is the best conductor of
electricity.