# Which of the following materials is the best electrical conductor?

Which of the following materials is the best electrical conductor? Brass
Copper
Aluminum
Nichrome
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Elliott Gilmore
The expression to calculate the resistance is,
$R=\frac{\rho L}{A}$
So, if we consider L/A to be the same for all conductors,
The conductor with lower p will have a lower resistance, and hence will be the betterconductor.
So, Copper with the lowest resistivity is the best conductor