(a) At what frequency must the circuit be operated for the current to lead the v
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Question
(a) At what frequency must the circuit be operated for the current to lead the voltage by 22.0°?
(b) Using the frequency found in part (a), find the average power consumed by this circuit.
Safari (O 4)) U.S. 100% () 8:03 Kim Dahee a E webassign.net ] Files What is the phase angle in an RLC circuit with R Home | Chegg.com Phys 115 Fall 2015 Homework 9 (b) Find the phase angle, , between the current and the voltage 24.7 5. +-10 points Walker4 24. P.023 My Notes A generator with an rms voltage of 115 V is connected in series to a 3.10-kl resistor and a 1.50-uF capacitor (a) At what frequency must the circuit be operated for the current to lead the voltage by 22.0°? (b) Using the frequency found in part (a), find the average power consumed by this circuit. Submit Answer Save Progress Practice Another Version 6. 10/10 points| Previous Answers Walker4 24.P.032 My Notes A 617- resistor and a 225-mH inductor are connected in series with an ac generator with an rms voltage of 20.0 V and a frequency of 60.0 Hz, what is the rms current in this circuit? 32.3 mA 7. 10/10 points | Previous Answers Walker4 24.P.035 My Notes An rms voltage of 12.2 V with a frequency of 1.00 kHz is applied to a 0.240-mH inductor. (a) What is the rms current in this circuit? 8.09Explanation / Answer
(a) cos = R / Z
cos (22) = 3100 / Z
Z = 3343.457
Z = [ R2 + (1 / C)2 ]
3343.457 = [ (3100)2 + (1 / (2 * f)(1.5 x 10-6))2 ]
f = 84.71 Hz
(b) Pav = Irms2 R
Pav = (Vrms / Z)2 R
Pav = (115 / 3343.457)^2 (3100)
Pav = 3.67 W
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