A coil of inductance 88 mH and unknown resistance and a 0.94 mF capacitor are connected in series with an alternating emf of frequency 930 Hz. If the phase constant between the applied voltage and the current is 75°, what is the resistance of the coil?

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 69CP: An RLC series circuit consists of a 50 resistor, a 200F capacitor, and a 120-mN inductor whose coil...
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A coil of inductance 88 mH and unknown resistance and
a 0.94 mF capacitor are connected in series with an alternating emf
of frequency 930 Hz. If the phase constant between the applied
voltage and the current is 75°, what is the resistance of the coil?

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