31. Alternating Current
Power in AC Circuits
31. Alternating Current Power in AC Circuits
2PRACTICE PROBLEM
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?
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?