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(20%) Problem 5: An RLC series circuit has a 2.6 22 resistor, a 85 uH inductor, and a 87.5 uF capacitor. 17% Part (a) Find the circuit's impedance, in ohms, at 110 Hz. Z = 16.74 Correct! > A 17% Part (b) Find the circuit's impedance, in ohms, at 4.5 kHz. 22= Grade Summary Deductions 0% Potential 100% E sin cos t an() cotano asin() acoso atan acotan sinh( cosh) tanh() cotanh0 Degrees Radians ( ) 7 8 ^^^! 4 5 * 1 2 + - 0 VO BACKSPACE 9 HOME 6 3 → . END DEL CLEAR Submissions Attempts remaining: 7 (3 % per attempt) detailed view Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. A 17% Part (c) If the voltage source supplies an rms voltage of 5.62 V, what is the circuit's rms current, in amperes, at a frequency of 110 Hz? A 17% Part (d) If the voltage source supplies an rms voltage of 5.62 V, what is the circuit's rms current, in amperes, at a frequency of 4.5 kHz? A 17% Part (e) What is the resonant frequency, in kilohertz, of the circuit? A 17% Part (1) What is the rms current, Irms, in amperes, at resonance?

Answer 1

Ta re Ackence (z) = . R CX-Xe - 2TT FC R=2.62 Xc= I I XL = 217fL C= 875x156he L=85x1064; at f= 110HZ; @ R=2.62 Xc= 16.532 X= 0.05872 (z=16.72 l at f= 4500Hz Xc= 0.4042 XL2 2.4032 - 3 = 5.6352 Irms- Vars = 0.336A ② ② Irrs 2 Voms = 14 Zz @ fo = z e = les 1845.47 12 ② Tomy - Vony = 2016 A Vw - A 2.16