Question

A coil of wire has a resistance of 43.5Ω at 27 °C and 42.7Ω at 52...

A coil of wire has a resistance of 43.5Ω at 27 °C and 42.7Ω at 52 °C. What is the temperature coefficient of resistivity?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A coil of wire has a resistance of 40.1? at 28 °C and 55.9? at 49...
A coil of wire has a resistance of 40.1? at 28 °C and 55.9? at 49 °C. What is the temperature coefficient of resistivity?
A coil of wire has a resistance of 34.2 Ω at 28.0 °C and 38.6 Ω...
A coil of wire has a resistance of 34.2 Ω at 28.0 °C and 38.6 Ω at 62.0 °C. What is the temperature coefficient of resistivity [(oC)-1]?
A copper wire has a resistance of 0.515 Ohms at 20 degrees C, and an iron...
A copper wire has a resistance of 0.515 Ohms at 20 degrees C, and an iron wire has a resistance of 0.545 ohms at the same temperature. At what temperature, in degrees celsius, are their resistances equal? The temperature coefficient of resistivity of copper is 3.9x10^-3 while that for iron is 5.0x10^-3. Can somebody answer this question for me? thank you
A metal wire has a resistance of 10.0 Ω at a temperature of 20.0 °C. If...
A metal wire has a resistance of 10.0 Ω at a temperature of 20.0 °C. If the same wire has a resistance of 12.0 Ω at 90.0 °C, what is the resistance of this wire when its temperature is -40.0 °C?
1) Two wires are identical, except that one is aluminum and one is silver. The aluminum...
1) Two wires are identical, except that one is aluminum and one is silver. The aluminum wire has a resistance of 0.17 Ω. What is the resistance of the silver wire? 2) A coil of wire has a resistance of 38.0 Ω at 25° C and 43.7 Ω at 51° C. What is the temperature coefficient of resistivity?
All are the same question in my text. (1)(A)A copper wire has a resistance of 0.560...
All are the same question in my text. (1)(A)A copper wire has a resistance of 0.560 Ω at 20.0°C, and an iron wire has a resistance of 0.592 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. (B)What is the power of a 125 MV lightning bolt having a current of 23,400 A? (C)What power is supplied to the starter...
A resistor made of Nichrome wire is used in an application where its resistance cannot change...
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.90% from its value at 20.0°C. Over what temperature range can it be used? The temperature coefficient of resistivity for Nichrome is 0.4 ✕ 10−3 (°C)−1. lower limit= upper limit=
A well-made circular coil of wire consisting of 50 turns whose radius is 0.08 m, is...
A well-made circular coil of wire consisting of 50 turns whose radius is 0.08 m, is made to spin about a diameter at a rate of 3 times every second. If the coil is placed a uniform magnetic field of field strength 0.21 T whose direction is perpendicular to the diameter, what is the peak emf induced in the coil? A wire has a cross-sectional area of 1.8x10-4 m2 and a resistivity of 3.2x10-8 ohm-meters. How long of a piece...
A coil of Nichrome wire is 27.0 m long. The wire has a diameter of 0.400...
A coil of Nichrome wire is 27.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. (a) If it carries a current of 0.600 A, what is the magnitude of the electric field in the wire? (b) If it carries a current of 0.600 A, what is the power delivered to it? (c) If the temperature is increased to 340°C and the potential difference across the wire remains constant, what is the power delivered?
A coil of Nichrome wire is 25.0 m long. The wire has a diameter of 0.440...
A coil of Nichrome wire is 25.0 m long. The wire has a diameter of 0.440 mm and is at 20.0°C. (a) If it carries a current of 0.500 A, what is the magnitude of the electric field in the wire? V/m (b) If it carries a current of 0.500 A, what is the power delivered to it? W (c) If the temperature is increased to 280°C and the potential difference across the wire remains constant, what is the power...