which is a better electrical conductor aluminum or brass?

Answer 1

Contrary to the answers above, most brasses are considerably WORSE conductors of electricity than aluminum. See the attached reference link and look at how far you need to go down the list (past most aluminum alloys) to find brasses. Contrary to what you might guess, the brass alloys with higher copper content are actually the worse conductors than those with higher zinc!

Typical resistivities (nΩ·m):

Copper: 17
Aluminum: 26.5
60/40 "Yellow" Brass: 64
85/5/5/5 Leaded "Red" Brass: 96

Answer 2

Brass Conductivity

Answer 3

Adam is correct, generally brass is worse, however.... big however...
Copper is a better conductor of electricity than Aluminium,
Brass is made up of Copper and Zinc.
If theres a high proportion of Cu in the alloy then it is brass and is more conductive to pure Aluminium.
If there's a lot of Zinc in the alloy, then Aluminium is better.

Generally as a rule of thumb the Aluminium will be a better conductor.

Answer 4

Brass

Answer 5

Brass

Answer 6

I know you didn't ask this, but I want to make sure it gets mentioned. Aluminum wiring is a fire hazard. Over long periods it wears, and gets hot at the connection points. Enough to ignite things.
I don't know what you're doing, so maybe this is irrelevant. But better to know, right?

Answer 7

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Silver is the best Material Resistivity (Ωm) Silver-------- 1.47×10−8 Copper------1.72×10−8 Gold----------2.44×10−8 Aluminium- 2.82×10−8 Tungsten----- 5.6×10−8 Brass--------- 0.8×10−7 Iron------------ 1.0×10−7 Platinum----- 1.1×10−7

Answer 8

brass

Answer 9

Depends very much on the alloy composition.
For full detail look at
http://www.eddy-current.com/condres.htm
Note the difference between "Resistance" and "Conductivity" which are reverse proportional.

Answer 10

brass, the inner resistant is lower the the resistant of aluminum.