Asked by: Rafia Stankehome and garden indoor environmental quality
Which is more expensive copper or aluminum?
Last Updated: 10th February, 2020
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Just so, which is better aluminum or copper?
Aluminum has 61 percent of the conductivityofcopper, but has only 30 percent of the weightofcopper. That means that a bare wire ofaluminumweighs half as much as a bare wire of copperthat has thesame electrical resistance. Aluminum isgenerallymore inexpensive when compared tocopperconductors.
Secondly, is tin more expensive than copper? The US Geological Survey has a nice overviewoftin statistics. Tin's price per pound is about 3 to5times that of base metals such as zinc, lead,andcopper, yet it is much cheaper than preciousmetalssuch as silver, gold, and platinum. Hence, Ithinktin could in the future be considered a"semi-precious"metal.
Accordingly, which has higher resistance copper or Aluminium?
Copper has a significantly lowerspecificelectrical resistivity than aluminium: 100,comparedto 160. To attribute to an aluminium conductor thesameresistance as a copper conductor, thecross-sectionalarea of the aluminium conductor must becomelarger tocompensate for aluminium's higherelectricalresistivity.
What are the disadvantages of copper?
The Disadvantages of Copper Wire
- Cost. Copper costs far more than fiber optic cable.
- Corrosion. One of the most serious disadvantages of copperwireis its susceptibility to corrosion, that is, oxidation.
- Shock Hazard. Fiber optic cable has a lower shock hazardthancopper wire.