Chapter 20: Problem 12: The hydroelectric generators at the Hoover Dam can produce a maximum current of 8.00 × 10³ A at 250 kV. a) What is the maximum power output of the generators, in watts? b) The water that powers the generators enters and leaves the system at a low speed (thus we can neglect its change of kinetic energy) and loses 160 m of altitude during the process. What is the water flow required, in cubic meters per second, to produce this power, assuming 77 % efficiency?
Chapter 20: Problem 12: The hydroelectric generators at the Hoover Dam can produce a maximum current of 8.00 × 10³ A at 250 kV. a) What is the maximum power output of the generators, in watts? b) The water that powers the generators enters and leaves the system at a low speed (thus we can neglect its change of kinetic energy) and loses 160 m of altitude during the process. What is the water flow required, in cubic meters per second, to produce this power, assuming 77 % efficiency?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
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Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 60PE: Integrated Concepts (a) What energy is dissipated by a lightning bolt having a 20,000-A current, a...
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Chapter 20: Problem 12: The hydroelectric generators at the Hoover Dam can produce a maximum current of 8.00 × 10³ A at 250 kV.
a) What is the maximum power output of the generators, in watts?
b) The water that powers the generators enters and leaves the system at a low speed (thus we can neglect its change of kinetic energy) and loses 160 m of altitude during the process. What is the water flow required, in cubic meters per second, to produce this power, assuming 77 % efficiency?
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