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Electricity comes from the power plant shown at a voltage of 12,000 volts. If the secondary number of coils is 8000 and the
Electricity comes from the power plant shown at a voltage of 12,000 volts. If the secondary number of coils is 8000 and the primary number of coils is 1/20 the number of secondary coils, what voltage will be put out by the step-up transformer to the high-voltage transmission line?
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Koala Tutor
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The primary number of coils is 1/20 * 8000 = <<1/20*8000=400>>400 coils.
The voltage put out by the step-up transformer is (8000 / 400) * 12000 = <<(8000/400)*12000=240000>>240000 volts. Answer: \boxed{240000}.
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