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The resistivity of copper at 75 degrees Celsius is approximately 1.68 x 10^-8 ohm-meters. Resistivity is a material property that quantifies how strongly a given material opposes the flow of electric current. In the case of copper, its low resistivity makes it an excellent conductor of electricity, which is why it is commonly used in electrical wiring and other applications where high conductivity is desired.
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What is 148 degrees minus 75 degrees?
148 degrees minus 75 degrees is 73 degrees
What is 75 Celsius to Fahrenheit?
75 degrees Celsius = 167 degrees Fahrenheit.
How many degrees are there in three fourths of a circle?
3/4 equals 75%. 75% of 180 degrees is 135. .75 x 180 = 135 degrees.
What is 75 Fahrenheit converted to Celsius?
75 degrees Fahrenheit is 23.9 degrees Celsius.
How many degrees Celsius is 167 degrees Fahrenheit?
75 degrees celcius.
What is the resistivity of copper at 77 K?
The resistivity of copper at 77 K is approximately 1.7 x 10^-8 ohm-meters. At lower temperatures, the resistivity of copper decreases due to reduced scattering of electrons by lattice vibrations.
Why is copper used for electricial wiring?
Because copper has a very low electrical resistivity of 16.78 nΩ·m, meaning it's easier for electricity to pass through it. For comparison, nickel has a resistivity of 69.3 nΩ·m and iron's resistivity is 96.1 nΩ·m.
How do you calculate resistivity of copper wire?
(rho) or resistivity of a "wire" is calculated using this formule:rho = Resistance x Area / length of materialthe resistivity of copper is 1.7 x 10 -8 ohm/mResistivity is measured in ohm metres, NOT ohms per metre!
Why is copper wire the best known conductor?
The best electrical conductor known is silver, not copper. Electrical resistivity of silver: 1,59.10-8 ohm.m Electrical resistivity of copper: 1,68.10-8 ohm.m A good electrical conductor has a very low electrical resistivity and a high electrical conductivity (the same principles for the thermal conductivity).
Can you use copper wire instead of eureka wire in finding its resistivity?
Yes, you can use copper wire instead of eureka wire to determine resistivity by measuring its resistance, length, and cross-sectional area. However, keep in mind that the resistivity values for copper will be different from eureka wire, so you will need to account for that difference in your calculations.
Which one of the following has the lowet resistivity -aluminium -copper -steel -lead?
Copper, aluminum, steel and lead in that order.
Would have the same resistance as a copper wire that is 4 m long and has a cross-sectional area of 0.066 cm2?
A wire with the same resistance as the given copper wire would have the same resistivity as copper. The resistance of a wire is dependent on its resistivity, length, and cross-sectional area. To calculate the resistance of a wire, use the formula R = (resistivity * length) / area; however, without the specific resistivity value, an exact value cannot be provided.
Is lead a good conductor of electricity in all the states?
The resistivity of lead is 208 n.Ohm.m (at 20 degrees celsius) in comparison, the best conducter, silver, has a resistivity of 15,87 n.Ohm.m widely used conducter, copper, has a resistivity of 16,78 n.Ohm.m , considered to be a good conductor resistivity of iron, considered not to be the a good conductor at all is 97 n.Ohm.m So no, lead is not a good conducter. But keep in mind, it's still a conductor, don't use it as an isolation!
What gauge stranded copper wire for 100 amp service?
A #3 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 100 and 115 amps respectively. A #1 aluminum conductor with an insulation factor of 75 or 90 degrees c is rated at !00 and 115 amps respectively.
Why aren't resistors made from copper?
Resistors are typically made from materials like carbon, metal oxides, or metal films due to their higher resistivity compared to copper. Using a material with higher resistivity allows for more precise control and customization of the resistance value in the resistor. Copper is commonly used for conductors due to its low resistivity.
What gauge wire for 240 v 60amp to heat pump?
A #6 copper conductor with an insulation factor of 75 and 90 degrees C is rated at 65 and 75 amps respectively.
From copper and manganin which has higher resistance?
The question is actually wrong, they can both have the same resistance if configured differently, the real question should be which has a higher resistivity which is the electrical resistance found in a standard amount of each material. In this case Manganin has a higher resistivity than copper.
