Physics, 10.10.2019 00:30 ajflkasjflkasj1168
The diameter of 0-gauge copper wire is 8.252 mm. find the resistance of a 1.00-km length of such wire used for power transmission, taking into account the thermal expansion of the tungsten filament. you may assume a thermal expansion coefficient of 12×10−6/ºc. by what percentage does your answer differ from the one you get without taking the thermal expansion into account?
Answers: 3
Physics, 22.06.2019 16:20
How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
Answers: 2
Physics, 23.06.2019 01:00
During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.
Answers: 3
The diameter of 0-gauge copper wire is 8.252 mm. find the resistance of a 1.00-km length of such wir...
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