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.
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 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 coil of wire has a resistance of 33.8Ω at 28 °C and 44.6Ω at 69 °C. What is the temperature coefficient of resistivity?
A coil of wire has a resistance of 53.4Ω at 26 °C and 37.5Ω at 51 °C. What is the temperature coefficient of resistivity?
A coil of wire has a resistance of 53.7Ω at 27 °C and 56.4Ω at 64 °C, what is the temperature coefficient of resistivity? Number Units
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?
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 wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 40.2 Ω at 20.0°C. If its resistance increases to 40.9 Ω at 27.5°C, what is the temperature coefficient of resistivity? (°C)−1