Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 38P
For the network in Fig. 15.105:
- Find the rms values of the voltages
- at a frequency of 1 kHz.
- Plot
- versus frequency for the frequency range zero to 10 kHz.
- Plot the phase angle between e and i for the frequency range zero to 10 kHz.
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10. For the circuit in Fig. 15.129:
a. Find the total impedance Z, in polar form.
d. Find the current I and the voltages VR. VL. and Vc in pha-
sor form.
f.
Verify Kirchhoff's voltage law around the closed loop.
g. Find the average power delivered to the circuit.
h. Find the power factor of the circuit, and indicate whether
it is leading or lagging.
i.
Find the sinusoidal expressions for the voltages and
current.
R = 40
X₁ = 60 Xc = 100
voo
www
H
+ UC
+ UL
e = 70.7 sin 3771 (~)
ZT
+ UR
FIG. 15.129
Problem 10.
2. In your own words, explain :
a. What is reactive power?
b. What is average power?
c. What is instantaneous power?
3. For Fig 1 is shown a pure resistive circuit.
Discovery wave-generator values and resistors acquired with your components kit. Average
power must be P=13mW. Vin must be less than 5Vpp. Choose one value and get the Vrms for
your calculations.
Design the circuit according to your Analog
Vin= Vrms
1000 Hz
R1
0°
Fig 1
a. What is R1 value?
b. What is Vp value?
What is Vpp value?
С.
d. What is Vrms value?
e. Show your calculations and equations used.
Chapter 15 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 15 - For the resistive element in Fig. 15.81: Write the...Ch. 15 - For the resistive element in Fig. 15.82: Write the...Ch. 15 - For the inductive element of Fig. 15.83: a. Write...Ch. 15 - For the inductive element of Fig. 15.84: Calculate...Ch. 15 - For the inductive element of Fig. 15.85: Write the...Ch. 15 - For the capacitive element of Fig. 15.86: Write...Ch. 15 - For the capacitive element of Fig. 15.87:...Ch. 15 - For the capacitive element of Fig. 15.88: Write...Ch. 15 - Sketch the impedance diagram of a 120 k resistor.Ch. 15 - Sketch the impedance diagram of a 5 mH coil...
Ch. 15 - Sketch the impedance diagram of a 0.02 F capacitor...Ch. 15 - Calculate the total impedance of the circuits in...Ch. 15 - Calculate the total impedance of the circuits in...Ch. 15 - Find the type and impedance in ohms of the series...Ch. 15 - For the circuit in Fig. 15.92 Find the total...Ch. 15 - Repeat problem 15 for the circuit in Fig. 15.93,...Ch. 15 - For the circuit in Fig. 15.94: Find the total...Ch. 15 - Repeat Problem 17 for the circuit in Fig. 15.95...Ch. 15 - For the circuit of Fig. 15.96: Find the total...Ch. 15 - For the circuit of Fig. 15.97: Find the current...Ch. 15 - Prob. 21PCh. 15 - Using the oscilloscope reading in Fig. 15.99,...Ch. 15 - Using the DMM current reading and the oscilloscope...Ch. 15 - Using the oscilloscope reading in Fig. 15.101:...Ch. 15 - An electrical load has a power factor of 0.8...Ch. 15 - Find the series element or elements that must be...Ch. 15 - Calculate the voltages V1andV2 for the circuits in...Ch. 15 - Calculate the voltages V1andV2 for the circuits in...Ch. 15 - For the circuit in Fig. 15.105: Determine...Ch. 15 - For the circuit in Fig. 15.106: a. Plot ZT and T...Ch. 15 - Prob. 31PCh. 15 - For the series R-L-C circuit in Fig. 15.108: Plot...Ch. 15 - For the series R-C circuit in Fig. 15.109:...Ch. 15 - For the circuit in Fig. 15.110, determine the...Ch. 15 - For the oscilloscope traces in Fig. 15.111:...Ch. 15 - For the network in Fig. 15.92 (usef=1kHz):...Ch. 15 - For the network in Fig. 15.93: Plot the impedance...Ch. 15 - For the network in Fig. 15.105: Find the rms...
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- 10. For the circuit in Fig. 15.129: a. Find the total impedance Z, in polar form. d. Find the current I and the voltages Vg. V, and Ve in pha- sor form. f. Verify Kirchhoff's voltage law around the closed loop. g. Find the average power delivered to the circuit. h. Find the power factor of the circuit, and indicate whether it is leading or lagging. i. Find the sinusoidal expressions for the voltages and current. X = 60 Xc = 10 0 ll + UL R = 41 + UR - + vc e = 70.7 sin 3771 ( FIG. 15.129 Problem 10.arrow_forwardEt Determine the Bid Sinusoidal sognal from for FM system 15KHZ to transmit with Afz 75KHZarrow_forwardSolve the following: Compute the total impedance (Z) What is the total current (I)? Compute the voltage drop across R. What is the voltage drop across XL? What is the voltage drop across XC? Compute the true or useful power (P) Determine the reactive power (Q) Find the apparent power (S)arrow_forward
- ll 41. For the network of Fig. 15.148: a. Calculate E, IR. and I, in phasor form. b. Calculate the total power factor. and indicate whether it is leading or lagging. c. Calculate the average power delivered to the circuit. d. Draw the admittance diagram. e. Draw the phasor diagram of the currents I,, Ig, and I. and the voltage E. f. Find the current Ic for each capacitor using only Kirchhoff s current law. g. Find the series circuit of one resistive and reactive element that will have the same impedance as the original circuit. 1, = V2 sin 2x 1000r R C. 1 uFarrow_forward2. Using nodal analysis, determine the value of voltages at models 1 and 2 in Fig. 15.23. 00 20 52 07001 01 4052 Fig. 15.23 -125: [V₁ = 88.1 233.88" A: V₂ = 58.7/72.34°A] 10 067001arrow_forwardR = 5 ohm, L =50 mH, C = 100 microfarad, Vs = 120 (rms), frequency changes from 0 Hz up to 200 Hz. m R www. I V 40 HI The following calculation will be done over the frequency range from f =0 Hz till 200 Hz using the increment Af = 10 Hz: (a) The total reactance (b) The total impedance (c) The current (d) The output voltage across the resistance (e) The active power and reactive power (f) At what frequency the power is max, P = Pmax, call it fo (g) At what frequencies (f₁, f₂) the power, P = Pmax, 2 (h) Calculate the current, output voltage for (g) and (h) (i) Calculate the bandwidth, BW = f₂-f₁ (j) Put your result in a table NOTE: show your detailed steps for two cases only; when P = Pmax, and, P = = Pmax 2arrow_forward
- kindly do this problemarrow_forwardThe cosine of the phase difference between voltage and current defines a) The magnitude of the reactive power. b) The magnitude of the apparent power c) The power factor. d) None of the abovearrow_forwardأسئلة Determine the output wave-form for the network in the figure below then calculate the average and the root-mean-square value of the output. Assume (VD1=1V and Vp2=0V) Vi 10 V D2 Di 2k2 3k2 3.55k2 اضف ملفarrow_forward
- 41. For the network of Fig. 15.148: a. Calculate E, Ig, and Iz in phasor form. b. Calculate the total power factor, and indicate whether it is leading or lagging. c. Calculate the average power delivered to the circuit. d. Draw the admittance diagram. e. Draw the phasor diagram of the currents I,, IR, and IL. and the voltage E. f. Find the curent Ic for each capacitor using only Kirchhoff's current law. g. Find the series circuit of one resistive and reactive element that will have the same impedance as the original circuit. i, = V2 sin 27 1000t 220 N L = 10 mH R. µF 1 µFarrow_forward:D A docs.google.com/forms/d/1 o المرحلة والشعبة: * A non-sinusoidal voltage (e=20+15sin1000t+ 10sin3000t+5sin4000t) Volt is applied to the circuit shown. Find the ?total power iT 42 İL -J92 J42 44.03 W 86.08 W 88.06 W 44.04 W n-sinusoidal wave can be طلب الإذن بالتعديل of sine waves with .harmonic frequencies IIarrow_forwardAn induction motor draws 45 kW at a 73% power factor from a 16 AC line. a) What is the phase angle? b) What is the reactive power? c) What is the apparent power? A E A/ d) How many standard 15 kVAR and/or 25 kVAR capacitors are needed to improve the power factor without producing a leading power factor? A 15 kV AR capacitor(s) A/25 kVAR capacitor(s) e) What is the new power factor (round to three decimal spots)?arrow_forward
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