Electric Circuits. (11th Edition)
11th Edition
ISBN: 9780134746968
Author: James W. Nilsson, Susan Riedel
Publisher: PEARSON
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Chapter 4, Problem 25P
(a)
To determine
Calculate the power dissipated in the 2 ohms resistor in the given circuit using the node-voltage method.
(b)
To determine
Calculate the power supplied by the 230 V source in the circuit.
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HW_#1
HW_01.pdf EE 213-01
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P Pearson MyLab and Mastering
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Watch out for units (i.e, kQ, mA, etc), show all units on answers and
clearly mark all answers
1)(5 pts) Specify if the following elements are absorbing or delivering power, and determine the
amount of power being absorbed or delivered.
10 V +
a)
5A
+
5 V
-
b)
2A
+ 10 V
-2A
2)(5 pts) Two circuits, shown by boxes A and B are connected as shown below. Use the
current reference direction provided and the voltage reference polarity shown to determine
the power for the interconnection. Also state the direction of power flow for the
connection: form A to B or B to A.
A
I
+
I
a) I = -6 A
V = -20 Volts
b) 1 = 8 A
V = 30 Volts
c) = 4 A
V = -80 Volts
d) I = -5 A
V = 40 Volts
B
3) (5 pts) Use Ohm's Law, KCL and KVL to determine values for V1, V2, V₁, I₁, and I2.
200 Ohms
A,
+
12
+
V1 75 Ohms
3 Amps
+
V2
300 Ohms
25 Ohms
4) (5 pts) For the circuit in Problem 2, determine the power (expressed as a…
Find the power delivered across the 10 ohm resistor
For the Circuit Below Find:
A) io in terms of Rb and the numerical resistor values provided in the schematic. Reduce your
solution to a minimal Equations
B)the power delivered across Rb in terms of Rb and the numerical resistor values provided in the
schematic. Reduce your solution to a minimal equation.
C) the power delivered across Rc if Rb is 5 Q
Ra $50
15Ω
M
120
90V
+1
Rb
150 150
m
Rc
Chapter 4 Solutions
Electric Circuits. (11th Edition)
Ch. 4.2 - a) For the circuit shown, use the node-voltage...Ch. 4.2 - Use the node-voltage method to find v in the...Ch. 4.3 - Use the node-voltage method to find the power...Ch. 4.4 - Use the node-voltage method to find vo in the...Ch. 4.4 - Use the node-voltage method to find v in the...Ch. 4.4 - Use the node-voltage method to find v1 in the...Ch. 4.5 - Use the mesh-current method to find (a) the power...Ch. 4.6 - Determine the number of mesh-current equations...Ch. 4.6 - Use the mesh-current method to find vo in the...Ch. 4.7 - Use the mesh-current method to find the power...
Ch. 4.7 - Use the mesh-current method to find the mesh...Ch. 4.7 - Use the mesh-current method to find the power...Ch. 4.8 - Find the power delivered by the 2 A current source...Ch. 4.8 - Find the power delivered by the 4 A current source...Ch. 4.9 - Use a series of source transformations to find the...Ch. 4.10 - Find the Thévenin equivalent circuit with respect...Ch. 4.10 - Find the Norton equivalent circuit with respect to...Ch. 4.10 - A voltmeter with an internal resistance of 100 kΩ...Ch. 4.11 - Find the Thévenin equivalent circuit with respect...Ch. 4.11 - Find the Thévenin equivalent circuit with respect...Ch. 4.12 - Find the value of R that enables the circuit shown...Ch. 4.12 - Assume that the circuit in Assessment Problem 4.21...Ch. 4 - For the circuit shown in Fig. P4.1, state the...Ch. 4 - If only the essential nodes and branches are...Ch. 4 - Assume the voltage vs in the circuit in Fig. P4.3...Ch. 4 - A current leaving a node is defined as...Ch. 4 - Look at the circuit in Fig. 4.4.
Write the KCL...Ch. 4 - Use the node-voltage method to find vo in the...Ch. 4 - Find the power developed by the 40 mA current...Ch. 4 - A 100 Ω resistor is connected in series with the...Ch. 4 - Use the node-voltage method to find how much power...Ch. 4 - Use the node-voltage method to find v1 and v2 in...Ch. 4 - Use the node-voltage method to find v1 and v2 in...Ch. 4 - Use the node-voltage method to find the branch...Ch. 4 - Use the node-voltage method to find v1, v2, and v3...Ch. 4 - The circuit shown in Fig. P4.14 is a dc model of a...Ch. 4 - Use the node-voltage method to find the total...Ch. 4 - Use the node-voltage method to show that the...Ch. 4 - Use the node-voltage method to calculate the power...Ch. 4 - Use the node voltage method to find vo for the...Ch. 4 - Use the node-voltage method to find the total...Ch. 4 - Use the node-voltage method to find vo in the...Ch. 4 - Find the node voltages v1, v2, and v3 in the...Ch. 4 - Use the node-voltage method to find the value of...Ch. 4 - Use the node-voltage method to find the branch...Ch. 4 - Use the node-voltage method to find the value of...Ch. 4 - Use the node-voltage method to find the power...Ch. 4 - Use the node-voltage method to find io in the...Ch. 4 - Use the node-voltage method to find υ0 and the...Ch. 4 - Use the node-voltage method to find vo in the...Ch. 4 - Use the node-voltage method to find the power...Ch. 4 - Assume you are a project engineer and one of your...Ch. 4 - Show that when Eqs. 4.13, 4.14, and 4.16 are...Ch. 4 - Solve Problem 4.12 using the mesh-current...Ch. 4 - Solve Problem 4.14 using the mesh-current...Ch. 4 - Solve Problem 4.25 using the mesh-current...Ch. 4 - Solve Problem 4.26 using the mesh-current...Ch. 4 - Use the mesh-current method to find the branch...Ch. 4 - Use the mesh-current method to find the total...Ch. 4 - Solve Problem 4.17 using the mesh-current...Ch. 4 - Use the mesh-current method to find the power...Ch. 4 - Use mesh-current method to find the power...Ch. 4 - Use the mesh-current method to find the power...Ch. 4 - Use the mesh-current method to find vo in the...Ch. 4 - Solve Problem 4.10 using the mesh-current...Ch. 4 - Solve Problem 4.21 using the mesh-current...Ch. 4 - Use the mesh-current method to find how much power...Ch. 4 -
Use the mesh-current method to solve for iΔ in...Ch. 4 - Use the mesh-current method to determine which...Ch. 4 - Use the mesh-current method to find the total...Ch. 4 - Solve Problem 4.23 using the mesh-current...Ch. 4 - Use the mesh-current method to find the total...Ch. 4 - Assume the 20 V source in the circuit in Fig....Ch. 4 - Use the mesh-current method to find the branch...Ch. 4 - Find the branch currents ia − ie for the circuit...Ch. 4 - The variable de voltage source in the circuit in...Ch. 4 - The variable de current source in the circuit in...Ch. 4 - Assume you have been asked to find the power...Ch. 4 - A 4 kΩ resistor is placed in parallel with the 10...Ch. 4 - Would you use the node-voltage or mesh- current...Ch. 4 - Use source transformations to find the current io...Ch. 4 - Find the current io in the circuit in Fig. P4.60...Ch. 4 - Make a series of source transformations to find...Ch. 4 - Use a series of source transformations to find i0...Ch. 4 - Use source transformations to find vo in the...Ch. 4 - Prob. 64PCh. 4 - Find the Norton equivalent with respect to the...Ch. 4 - Find the Norton equivalent with respect to the...Ch. 4 - Find the Thévenin equivalent with respect to the...Ch. 4 - Prob. 68PCh. 4 - Prob. 69PCh. 4 - Prob. 70PCh. 4 - A Thévenin equivalent can also be determined from...Ch. 4 - Prob. 72PCh. 4 - The Wheatstone bridge in the circuit shown in Fig....Ch. 4 - Prob. 74PCh. 4 - Find the Norton equivalent with respect to the...Ch. 4 - Prob. 76PCh. 4 - Prob. 77PCh. 4 - Find the Thévenin equivalent with respect to the...Ch. 4 - Find the Thévenin equivalent with respect to the...Ch. 4 - Prob. 80PCh. 4 - Find the Norton equivalent with respect to the...Ch. 4 - The variable resistor in the circuit in Fig. P4.82...Ch. 4 - Prob. 83PCh. 4 - a) Calculate the power delivered for each value of...Ch. 4 - Find the value of the variable resistor Ro in the...Ch. 4 - A variable resistor R0 is connected across the...Ch. 4 - The variable resistor (R0) in the circuit in Fig....Ch. 4 - The variable resistor (Ro) in the circuit in Fig....Ch. 4 - The variable resistor (RL) in the circuit in Fig....Ch. 4 - Prob. 90PCh. 4 - The variable resistor in the circuit in Fig. P4.91...Ch. 4 - Use the principle of superposition to find the...Ch. 4 - Prob. 93PCh. 4 - Use the principle of superposition to find the...Ch. 4 - a) In the circuit in Fig. P4.95, before the 10 mA...Ch. 4 - Use the principle of superposition to find the...Ch. 4 - Use the principle of superposition to find the...Ch. 4 - Use the principle of superposition to find vo in...Ch. 4 - Prob. 99PCh. 4 - Prob. 100PCh. 4 - Assume your supervisor has asked you to determine...Ch. 4 - Prob. 102PCh. 4 - Laboratory measurements or a dc voltage source...Ch. 4 - Prob. 104PCh. 4 - Prob. 105PCh. 4 - Repeat Problem 4.105 if Ig2 increases to 17 A and...Ch. 4 - Prob. 107PCh. 4 - Use the results given in Table 4.2 to predict the...
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