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We wish to find the percent voltage regulation of an automotive alternator. We begin by manually adjusting the field current for rated condition, which is

We wish to find the percent voltage regulation of an automotive alternator. We begin by manually adjusting the field current for rated condition, which is 75 amperes, 14.5 volts. Then we disconnect the load, and find the no-load voltage is 16 volts. What is the voltage regulation?

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