The LRT trolley system 10 miles long is fed by two substations that

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The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600-volt station draws 200A from the line, how much is the current supplied by each station?

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