is gold better conductor than copper?
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Although it is the best conductor, copper and gold are used more often in electrical applications because copper is less expensive and gold has a much higher corrosion resistance. ... As to why silver is the best conductor, the answer is that its electrons are freer to move than those of the other elements.
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Answer (a). DC distribution is more economical compared to cost wise because it requires two conductors, no inductance capacitance phase displacement and surge problem , no skin effect in dc hence cross section of the conductor is completely utilized, no charging currents, and saving in the copper.
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Brass is only 28% as conductive as copper. Some bronzes are as low as 7% as conductive as copper! Copper is the standard by which electrical materials are rated and conductivity ratings are expressed as a relative measurement to copper. ... The higher the % IACS, the more conductive the material is.
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Metals are particularly good conductors of heat because their particles are very closely packed so the vibrations are passed on very quickly. ... This makes them move faster and they travel through the metal, colliding with both atoms and other electrons.
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While metals are good conductors of electricity and heat, non-metals are poor conductors. Unlike non-metals, metals are ductile, which means they can be stretched into wires. Another difference between metals and non-metals, is that the former has a metallic luster, while the other does not.
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Metals are good conductors of heat, but non-metals and gases are usually poor conductors. Poor conductors are called insulators.
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Metals are dense, shiny, good conductors of heat and electricity, and easily lose electrons in chemical reactions. Nonmetals are not dense, dull, do not conduct heat and electricity, and tend to gain electrons. Metalloids are elements that have properties of both metals and nonmetals.
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By tradition, copper is considered the better choice when it comes to the manufacture of evaporator and condenser coils. ... The main difference is that Copper has about two times the conductivity that aluminum has when it comes to heat transfer.
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Copper is a good conductor of heat. This means that if you heat one end of a piece of copper, the other end will quickly reach the same temperature. Most metals are pretty good conductors; however, apart from silver, copper is the best.
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Watch out: tin-plated copper wire is a completely different product that, because its conductors sport a thin plated silver colored surface, might be mistaken for unsafe aluminum wire. It is not aluminum and it is safe unless, as with any electrical wiring, it has been damaged in some manner.
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Do pennies conduct electricity? Well, all metals do, and the metals in pennies are no exception. Copper is found in almost all US coins and is one of the best conductors of electricity. Silver and Gold conduct electricity just as well, so if you've got a Silver or Gold coin, electricity will easily pass through them.
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Despite being stronger and more durable, platinum is a softer metal than 14k gold. This means it will get scratched a little easier than 14k gold would. However, an important thing to note is when gold is scratched, the gold is lost and it looks like a scratch.
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Copper is a good conductor, it is generally used in electrical wires.
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Like copper and other metals, the human body is also a good conductor. Ordinary water, which contains dissolved minerals and salts, conducts electricity, too. ... Materials that don't have wandering electrons are called electrical insulators.
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Now, gold is rarer than iron, but not as rare as diamond. You'd think gold would be better than iron, since it's rarer, but not as good as diamond. Hell, in my earlier days of playing Minecraft, I actually thought that gold was better than iron, since it's rarer.
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Copper has a heat transfer coefficient higher than aluminium. That means, copper is a better heat exchanger than aluminium. 2) Cost and Pliability (The quality of being easily bent): Copper is costlier than aluminium, which increases the cost of making an air conditioner and thereby the price of air conditioner.
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Metals are dense, shiny, good conductors of heat and electricity, and easily lose electrons in chemical reactions. Nonmetals are not dense, dull, do not conduct heat and electricity, and tend to gain electrons.