31. Alternating Current - Part 2 of 2
31. Alternating Current / Power in AC Circuits / Problem 9
When the root mean square (rms) voltage of the electromotive force is 15 V, a resistor dissipates 4.0 W of power. What should be the rms voltage of the electromotive force for the resistor to dissipate 12 W of power?
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