Principles and Applications of Electrical Engineering
6th Edition
ISBN: 9780073529592
Author: Giorgio Rizzoni Professor of Mechanical Engineering, James A. Kearns Dr.
Publisher: McGraw-Hill Education
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Question
Chapter 4, Problem 4.77HP
To determine
The Thevenin equivalent of the network seen by the load
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Students have asked these similar questions
Q4.
Referring to the circuit shown in figure Q4, by using Superposition theorem,
determine
a) the Thevenin equivalent circuit external to the load Z₁;
b) the load impedance Z₁ which maximum power can be delivered to the load; and
c) the maximum power delivered to the load.
d) the load voltage when the impedance of load is 8+j102.
www
WWW
4Ω
5Ω
+
10V 60°
Figure Q4.
1002
6Ω
ell
Load ZL
8Ω
↑) ЗА < 10°
Q4(a) Find the branch currents /,, through Is in the circuit shown in Figure Q4
(a), by using Kirchhoff's current law (KCL). Also determine the number
of nodes in the circuit shown in Figure Q4 (a).
50 A
12
15
10A
100 A 20A
20 A
Figure Q4 (a)
Using source transformation theorem, solve the current, I, and voltage, V, in Figure Q4. Assume
that the operating frequency is 50HZ.
20 mH
1220° V
V.
50'
4290 A (*)1045° V
F
Figure Q4
Chapter 4 Solutions
Principles and Applications of Electrical Engineering
Ch. 4 - The current through a 0.8-H inductor is given by...Ch. 4 - For each case shown below, derive the expression...Ch. 4 - Derive the expression for the voltage across...Ch. 4 - In the circuit shown in Figure P4.4, assume R=1...Ch. 4 - Prob. 4.5HPCh. 4 - In the circuit shown in Figure P4.4, assume R=2...Ch. 4 - In the circuit shown in Figure P4.7, assume R=2...Ch. 4 - Prob. 4.8HPCh. 4 - Prob. 4.9HPCh. 4 - Prob. 4.10HP
Ch. 4 - The voltage waveform shown in Figure P4.10 is...Ch. 4 - The voltage across a 0.5-mH inductor, Plotted as a...Ch. 4 - Prob. 4.13HPCh. 4 - The current through a 16-H inductor is zero at t=0...Ch. 4 - The voltage across a generic element X has the...Ch. 4 - The plots shown in Figure P4.16 are the voltage...Ch. 4 - The plots shown in Figure P4.17 are the voltage...Ch. 4 - The plots shown in Figure P4.18 are the voltage...Ch. 4 - The plots shown in Figure P4.19 are the voltage...Ch. 4 - The voltage vL(t) across a 10-mH inductor is shown...Ch. 4 - The current through a 2-H inductor is p1otted in...Ch. 4 - Prob. 4.22HPCh. 4 - Prob. 4.23HPCh. 4 - Prob. 4.24HPCh. 4 - The voltage vC(t) across a capacitor is shown in...Ch. 4 - The voltage vL(t) across an inductor is shown in...Ch. 4 - Find the average and rms values of x(t) when:...Ch. 4 - The output voltage waveform of a controlled...Ch. 4 - Refer to Problem 4.28 and find the angle + that...Ch. 4 - Find the ratio between the average and rms value...Ch. 4 - The current through a 1- resistor is shown in...Ch. 4 - Derive the ratio between the average and rms value...Ch. 4 - Find the rms value of the current waveform shown...Ch. 4 - Determine the rms (or effective) value of...Ch. 4 - Assume steady-state conditions and find the energy...Ch. 4 - Assume steady-state conditions and find the energy...Ch. 4 - Find the phasor form of the following functions:...Ch. 4 - Convert the following complex numbers to...Ch. 4 - Convert the rectangular factors to polar form and...Ch. 4 - Complete the following exercises in complex...Ch. 4 - Convert the following expressions to rectangular...Ch. 4 - Find v(t)=v1(t)+v2(t) where...Ch. 4 - The current through and the voltage across a...Ch. 4 - Express the sinusoidal waveform shown in Figure...Ch. 4 - Prob. 4.45HPCh. 4 - Convert the following pairs of voltage and current...Ch. 4 - Determine the equivalent impedance seen by the...Ch. 4 - Determine the equivalent impedance seen by the...Ch. 4 - The generalized version of Ohm’s law for impedance...Ch. 4 - Prob. 4.50HPCh. 4 - Determine the voltage v2(t) across R2 in the...Ch. 4 - Determine the frequency so that the current Ii...Ch. 4 - Prob. 4.53HPCh. 4 - Use phasor techniques to solve for the current...Ch. 4 - Use phasor techniques to solve for the voltage...Ch. 4 - Prob. 4.56HPCh. 4 - Solve for VR shown in Figure P4.57. Assume:...Ch. 4 - With reference to Problem 4.55, find the value of ...Ch. 4 - Find the current iR(t) through the resistor shown...Ch. 4 - Find vout(t) shown in Figure P4.60.Ch. 4 - Find the impedance Z shown in Figure...Ch. 4 - Find the sinusoidal steady-state output vout(t)...Ch. 4 - Determine the voltage vL(t) across the inductor...Ch. 4 - Determine the current iR(t) through the resistor...Ch. 4 - Find the frequency that causes the equivalent...Ch. 4 - a. Find the equivalent impedance Zo seen by the...Ch. 4 - A common model for a practical capacitor has...Ch. 4 - Using phasor techniques, solve for vR2 shown in...Ch. 4 - Using phasor techniques to solve for iL in the...Ch. 4 - Determine the Thévenin equivalent network seen by...Ch. 4 - Determine the Norton equivalent network seen by...Ch. 4 - Use phasor techniques to solve for iL(t) in...Ch. 4 - Use mesh analysis to determine the currents i1(t)...Ch. 4 - Prob. 4.74HPCh. 4 - Prob. 4.75HPCh. 4 - Find the Thévenin equivalent network seen by the...Ch. 4 - Prob. 4.77HPCh. 4 - Prob. 4.78HPCh. 4 - Prob. 4.79HPCh. 4 - Prob. 4.80HPCh. 4 - Use mesh analysis to find the phasor mesh current...Ch. 4 - Write the node equations required to solve for all...Ch. 4 - Determine Vo in the circuit of Figure...Ch. 4 - Prob. 4.84HP
Knowledge Booster
Similar questions
- Task4. For the T equivalent circuit shown in the figure, form an impedance matrix Z. (Refer to the definition of the voltage equation as follows.) Zz Voltage equations =h+mh U₁ = 11. kun 1=0 U₁ = 12/2. kun 1₁ = 0 U2-21/1, kun /2=0 U-kun =0 Ζι=ΙΩ Z2=2i2 Z3=-30i 2 U₂arrow_forwardP 4.3-14 The voltage source in the circuit shown in Figure P 4.3-14 supplies 83.802 W. The current source supplies 17.572 W. Determine the values of the node voltages vị and v2. 50 Ω R2 20 Ω V2 V1 R4 250 mA (1 80 V (+ Figure P 4.3-14arrow_forwardDerive a star-connected network from the T-connected network shown in the Figure Q4(b) and hence determine the delta-connected equivalent network Z₁=100/00 Z₁=63.25/18.430 23=100-900 Figure Q4(b)arrow_forward
- b) Analyse the principles of circuit theory as applied to the circuits illustrated in Figure 4b with sinusoidal sources, to explain the operation of the circuit by determining the phase angle, ZT, IT, IR, IL, P. V=120V, 50Hz R₂=3002 and L=106 H. Vo (t) Figure 4b R2 ww L eeeee Vs (t)arrow_forwardProblem D4 Will a 500 – 800 Ohm load operate linearly? Vsig o + Load R1 Vsig Vcc/-Vcc 6k 1.2 V 12V I-12V LOAD Ideal railsarrow_forwardP4.7-15 Determine the values of the mesh currents i₁ and 12 for the circuit shown in Figure P4.7- 15. 4 ia 20 ww ਜਨ 22 ( 1 22 Figure P4.7-15 20 www 12 Varrow_forward
- Find the Thevenin equivalent of the circuit in Figure 4.31 at terminals a-b prro applying a 1 A source.arrow_forwardined EXAMPLE 4.6 A series circuit has R=402 and L=0.01 H. Find the impedance at 100 Hz and 500 Hz.arrow_forwardQuestion 14: P 4.7-6 Determine the value of the power supplied by the VCCS in the circuit shown in Figure P 4.7-6. + Va 20 Ω Va ) 2 A 2Ω Figure P 4.7-6arrow_forward
- Consider the circuit shown in Figure 4. Use the impedance method to determine the input-output differentiate equation relating i and va. Assume all initial conditions are zero. R V Figure 4 lellarrow_forward(c) For the network of Figure Q4 (c), R = 700 , L=7 H, C= 1/7 F, Calculate the characteristic roots of the circuit. R L ell V C Figure Q4 (c)arrow_forwardWhat is V4 given R4 = 237.41 MOhms?arrow_forward
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