Physics, 16.02.2021 14:30 ZVSaniya0420
In attempt of transmission electric power from station (100 kilowatt-2000 volt) to inhabited area away 50 kilometers through cables have resistance of unit length 0.6ohm/meter. There is electric transformer of efficiency 90% and the ratio between number of turns of its coils is 250:1 is connected to the power station. Find the efficiency of this attempt.
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In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
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The star nearest to our sun is proxima centauri, at a distance of 4.3 light-years from the sun. how far away, in km, is proxima centauri from the sun?
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In attempt of transmission electric power from station (100 kilowatt-2000 volt) to inhabited area aw...
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