A metal wire has a resistance of 14.00 Ω at a temperature of 25.0°C. If the same wire has a resistance of 14.55 Ω at 90.0°C, what is the resistance when its temperature is −32.0°C?
A metal wire has a resistance of 14.00 Ω at a temperature of 25.0°C. If the...
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 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 given copper wire has a resistance of 5.05 Ω at 20.0°C while a tungsten wire of the same diameter has a resistance of 4.69 Ω at 20.0°C. At what temperature will the two wires have the same resistance? Your response differs from the correct answer by more than 10%. Double check your calculations.°C
A length of aluminum wire has a resistance of 20.0 Ω at 30.0°C. When the wire is warmed in an oven and reaches thermal equilibrium, the resistance of the wire increases to 36.2 Ω. (a) Neglecting thermal expansion, find the temperature of the oven.
A coil of wire has a resistance of 38.0 Ω at 25° C and 43.7 Ω at 54° C. What is the temperature coefficient of resistivity?
A wire of unknown composition has a resistance of 35.00 Ω when immersed in water at 20.0◦C. When the wire is placed in boiling water, its resistance rises to 47.60 Ω . Calculate the temperature coefficient of resistance.
A coil of wire has a resistance of 38.3 Ω at 23.7 °C and 43.0 Ω at 52.6 °C. What is the temperature coefficient of resistivity?
A coil of wire has a resistance of 37.000 Ω at 23.300 °C and 43.400 Ω at 52.800 °C. What is the temperature coefficient of resistivity? Do not enter units.
What is the resistance of gold wire at 150°C , if it is 25.0 m long with a 0.100 mm diameter and has a resistance of 77.7 Ω at 20.0°C ?
(1 point) 8. At 20°C, a length of copper wire has a resistance of 5.0 Ω What is its resistance when the wire is heated to 80°C? Let α-0.004 at 20°C 01.2Ω 07.5 Ω 06.2 Ω 010 Ω