Physics, 29.03.2020 21:07 enitramedouard12
If two parallel conductors are both free to move and are carrying current in the same direction, what would happen if the current flow in each wire was reversed at the same time?A. The wires would repel, then attract each other. B. The wires would repel each other as they had before C. The wires would attract, then repel each other. D. The wires would remain attracted to each other.
Answers: 3
Physics, 22.06.2019 23:40
Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.
Answers: 3
If two parallel conductors are both free to move and are carrying current in the same direction, wha...
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