An inductor and a resistor are connected in series. When connected to a 60-Hz, 90-V (rms) source, the voltage drop across the resistor is found to be 51 V (rms) and the power delivered to the circuit is 20 W. (a) Find the value of the resistance. Ω (b) Find the value of the inductance. H

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 62CP: A 1.5k resistor and 30-mH inductor are connected in series, as below, across a120-V(rms)ac power...
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An inductor and a resistor are connected in series. When connected to a 60-Hz, 90-V (rms) source, the voltage drop across the resistor is found to be 51 V (rms) and the power delivered to the circuit is 20 W.

(a) Find the value of the resistance.
Ω

(b) Find the value of the inductance.
H
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