A coil is connected to a 120-V-rms, 60-Hz line. The

Chapter , Problem 37

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A coil is connected to a 120-V-rms, 60-Hz line. The average power supplied to the coil is and the rms current is Find (a) the power factor, (b) the resistance of the coil, and (c) the inductance of the coil. (d) Does the current lag or lead the voltage? Explain your answer. (e) Support your answer to Part (d) by determining the phase angle.

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