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OpenStudy (anonymous):
Water from a reservoir is fed to the turbine of a hydroelectric system at a rate of 500kgs –1. The reservoir is 300m above the level of the turbine. The electrical output from the generator driven by the turbine is 200A at a potential difference of 6000V. What is the efficiency of the system? A 8.0% B 8.2% C 80% D 82% how do you get it?
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