Paper money.
The metal used for low value coins is typically copper or a combination of copper and other metals like zinc.
Yes, platinum is a precious metal with recent values about 20% higher than the same weight of gold.
Most banks in the United States are not going to buy silver from you. Depending on what kind of silver you have, you have a few options. "Junk" silver (common-date coins, coins too worn to identify, etc.) can be sold through a pawn shop, metal dealer, or sometimes a jeweler. Be prepared to only get 50-60% of the raw metal value, though. High-quality common silver coins or scarcer dates should be evaluated by a coin dealer. You can get higher prices from a site such as eBay but you have to do more work. A dealer may buy the coins but again you'll only receive wholesale prices.
Many reasons:A flat round shape is easy to grasp.The shape ensures that people do not injure their hands while handling them.A round shape lessens degradation. Coins in a square shape tend to degrade on the corners.Manufacturing a circle is easier due to more balanced heat cooling after the molten metal is put into the mold.Where coins have holes in them, having a circular shape makes it less likely that the coins will break, as pressure is better distributed.
The question should be phrased "Are gold coins an asset?" and the answer is yes, they are a hard asset. If they are pure gold they can be measured in Troy ounces, unless they are rare coins which could carry a premium over the spot price of gold.
Paper money.
Coins are typically made out of metals such as copper, nickel, zinc, and aluminum. Some coins may also be made of steel, bronze, and brass, depending on the country and denomination. Gold and silver coins are popular for bullion and commemorative purposes.
No coins are not because they are metal and metal is a conductor.
All US coins use metal
The silver white metal commonly used in coins is known as silver. Silver is valued for its luster, conductivity, and durability, making it a popular choice for coinage throughout history.
there metal content or the stamp from which they were made one of the two
You would find coins, tokens, or medallions, and the equipment for stamping them out of metal blanks. A mint is a location where metal coins, especially currency coins, are produced.
It is mostly a matter of economics. The old traditional metals used to make coins such as gold, silver and copper, were very expensive, relatively soft and not very durable with continuous use and handling. These days, the coinage of most countries is made from the cheapest and most durable materials, which usually means an alloy of some description. Copper-zinc or copper-aluminium is a popular alloy for many gold coloured coins. Copper-nickel is a popular alloy for many silver coloured coins. Steel electro-plated with another metal is popular for small denomination coins. Most, if not all coins in circulation today, are a "token" coinage, that is, the coin has a value inscribed on it, the value is not based on the metal it is made from.
no but coins dated before 1965 are
Coins are made of metal and therefore they are good electrical conductors.
Copper
Silver