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What year did the San Francisco mint stop minting coins for circulation?
1964 was the last date of silver quarters. There are a couple of technicalities here. First, quarters were never pure silver. The silver was always alloyed with about 10% copper. Second, during the changeover to cupronickel clad coinage, silver quarters were struck during calendar 1965 but they still had the date 1964, so there's no way to tell what year a "1964" quarter was actually minted. 1964 was the last year the US produced silver quarters for circulation. There have been silver quarters issued since 1964 but they were primarily special coins for collectors and investors.
What drinks have copper?
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How do you factor rational expressions with 3 or 4 exponent?
If the rational expressions have large exponent, then you need to factor out this way: (a + b)ⁿ = (a + b)(a + b)...(a + b) [So there are n "(a + b)" factors.] Here are the examples... (a + b)³ = (a + b)(a + b)(a + b) (a + b)4 = (a + b)(a + b)(a + b)(a + b)
If A-B equals null set then prove A subset of B?
A - B is null.=> there are no elements in A - B.=> there are no elements such that they are in A but not in B.=> any element in A is in B.=> A is a subset of B.
What color were the slippers in the Wizard of Oz originally?
Dorothy's ruby slippers were originally silver as they were in the Oz books until MGM chief Louis B. Mayer realized that the Technicolor production would benefit from the red color.GUrjot Singh Sodhi
What doesn't affect the resistance of a uniform circular copper wire?
Is either; A. the length of the wire B. the diameter of the wire c. the location of the wire D. the temperature of the wire
What glue will bond silver to copper?
p,b,a glue.
What are 5 example of conductor?
SilverCopperGoldIronIonized airleadwater with dissolved mineralsgraphiteBut it also depends on which you wish to conduct.For thermal conductivity, the top group, in order of merit, are graphene, diamond, silver, copper.For acoustic (sound) conductivity, you need a rigid non - lossy material, and Beryllium is probably at the top, but with similar metals such as tungsten and steel not far behind.And Brahms and Bach have their followers in the music field.
Is Susan B Anthony dollar made with real silver?
No, its not real silver. It's made of copper and nickel.
What is silver content of 1979 Susan B Anthony?
No S.B.A. coin was struck in silver, so the silver content is zero. All are copper-nickel.
Which metal became negative pole a)iron and zinc b) copper and iron c) silver and magnesium?
The correct option for the combination where one metal becomes the negative pole is: b) copper and iron
What repels magnets and what attracts magnets?
A. An aluminum wire carrying current B. An electromagnet C. An iron horseshoeA. A copper wire carrying current B. An iron horseshoe D. A steel paper clip
Are susan b Anthony dollars made of silver?
All Anthony dollars have outer layers of .750 copper & .250 nickel bonded to a pure copper core, the same as dimes, quarters, and half dollars. None were ever struck in a silver alloy, even in collectors' issues.
What would reduce resistance in a copper wire?
Reducing the temperature of the wire will decrease its resistance. Also, using a wire with a larger cross-sectional area will lower resistance since there is more room for electrons to flow. Finally, using a more conductive material than copper, such as silver, can reduce resistance.
Can you hook up 4 speakers to a 2 channel amp?
take the positive from speaker A and twist the copper wire together with the positive wire from speaker B. then take those two (positive) wires from A and B and put it in Channel 1 positive terminal. then take the negative from speaker A and twist the copper wire together with the negative wire from speaker B. take those two (negative) wires and put them in the negative terminal under channel 1. then do the same for your other 2 speakers, except in channel 2
Allowable ampacity of 10 copper thin wire rated at 75 degree Celsius?
Isn't it 35, according to the NEC 310.15(B)(16) Table.
What is Susan b Anthony dollars worth?
It's made of copper and nickel, not silver, and it's still worth one dollar.
