a cylindrical tungsten filament 16.0 cm long with a diameter of 1.20 mm is to be used in a machine for which the temperature will range from room temperature (20 ∘c) up to 120 ∘c. it will carry a current of 12.0 a at all temperatures ( resistivity of tungsten at 20 ∘c is 5.25×10−8ω⋅m , the temperature coefficient of resistivity at 20 ∘c is 0.0045 ∘c−1 )
Answers: 2
Another question on Physics
Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 09:40
Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?
Answers: 2
Physics, 22.06.2019 11:30
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
Answers: 2
Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
Answers: 2
You know the right answer?
a cylindrical tungsten filament 16.0 cm long with a diameter of 1.20 mm is to be used in a machine f...
Questions
Spanish, 13.01.2021 22:50
Mathematics, 13.01.2021 22:50
English, 13.01.2021 22:50
Chemistry, 13.01.2021 22:50
Physics, 13.01.2021 22:50
Mathematics, 13.01.2021 22:50
Social Studies, 13.01.2021 22:50
History, 13.01.2021 22:50
Arts, 13.01.2021 22:50
Mathematics, 13.01.2021 22:50
Mathematics, 13.01.2021 22:50
Mathematics, 13.01.2021 22:50
Mathematics, 13.01.2021 22:50
