A copper wire has a resistance of 9.00 ohms at 33.0 degrees. Determine the resistance (in...
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copper wire has a resistance of 9.00 ohms at 33.0 degrees.
Determine the resistance (in...
An aluminum wire has a resistance of 3.00 2 at 31.0°C. Determine its resistance (in 2)...
An aluminum wire has a resistance of 3.00 2 at 31.0°C. Determine its resistance (in 2) at 431°C. The temperature coefficient of resistivity for aluminum wire is 3.90 x 10-3 (°C)-1. (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20°C.)
A copper wire has a resistance of 0.500 Ω at 20.0°C, and an iron wire has...
A copper wire has a resistance of 0.500 Ω at 20.0°C, and an iron wire has a resistance of 0.520 Ω at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 *10^-3(°C)−1 and for iron it is 5.00 *10^-3(°C)−1.
A copper wire has a resistance of 0.540 Ω at 20.0°C, and an iron wire has...
A copper wire has a resistance of 0.540 Ω at 20.0°C, and an iron wire has a resistance of 0.579 Ω at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 10-3(°C)−1 and for iron it is 5.00 10-3(°C)−1.
A Si wire of diameter 2μm and length 200 micrometers has a resistance of 1000 ohms....
A Si wire of diameter 2μm and length 200 micrometers has a resistance of 1000 ohms. Determine the resistivity of that Si in terms of ohm-cm. Suppose you make the same wire using copper, what should be its resistance?
3 WA 017 A copper wire has a resistance of 0.455 2 at 20.0°C, and an...
3 WA 017 A copper wire has a resistance of 0.455 2 at 20.0°C, and an iron wire has a resistance of 0.494 n at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 x 10 (oc) and for iron it is 5.00 x 10 (Pc)- -34 What is the expression that gives the temperature dependence of resistance? Both materials go through the same temperature difference. How can you use...
A length of AWG #12 copper wire has a resistance of 0.020 Ohms at 20 °C....
A length of AWG #12 copper wire has a resistance of 0.020 Ohms at 20 °C. Calculate the temperature for which the resistance is 0.023 Ohms.
The question of electricity needs half an hour Q3||| Some copper wire has a resistance of...
The question of electricity needs half an hour
Q3||| Some copper wire has a resistance of 200 Ohm at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, assuming that the temperature coefficient of resistance .is 0.004/-C at 0.C
A long copper wire has a resistance of 33 Ohms. A second copper wire is a...
A long copper wire has a resistance of 33 Ohms. A second copper wire is a factor of 5 times shorter than the first wire. (It is the same area, however.) If the second wire is connected to a 24 volt battery, what is the current in the wire in amps?
A long copper wire has a resistance of 30 Ohms. A second copper wire is a...
A long copper wire has a resistance of 30 Ohms. A second copper wire is a factor of 4 times shorter than the first wire. (It is the same area, however.) If the second wire is connected to a 25 volt battery, what is the current in the wire in amps?
Now let’s see how temperature affects the resistance of copper wire. A length of 18 gauge...
Now let’s see how temperature affects the resistance of copper wire. A length of 18 gauge copper wire with a diameter of 1.02 mm and a cross-sectional area of 8.20×10−7 m2 has a resistance of 1.02 Ω at a temperature of 20 ∘C. Find the resistance at 0 ∘C and at 100 ∘C. The temperature coefficient of resistivity of copper is 0.0039 (C∘)−1. On a hot summer day in Death Valley, the resistance is 1.15 Ω. What is the temperature?
An aluminum wire has a resistance of 3.00 2 at 31.0°C. Determine its resistance (in 2) at 431°C. The temperature coefficient of resistivity for aluminum wire is 3.90 x 10-3 (°C)-1. (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20°C.)
3 WA 017 A copper wire has a resistance of 0.455 2 at 20.0°C, and an iron wire has a resistance of 0.494 n at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 x 10 (oc) and for iron it is 5.00 x 10 (Pc)- -34 What is the expression that gives the temperature dependence of resistance? Both materials go through the same temperature difference. How can you use...
The question of electricity needs half an hour
Q3||| Some copper wire has a resistance of 200 Ohm at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, assuming that the temperature coefficient of resistance .is 0.004/-C at 0.C
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