ELECTRIC CIRCUITS-W/MASTERINGENGINEERING
11th Edition
ISBN: 9780134894300
Author: NILSSON
Publisher: PEARSON
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Chapter 4, Problem 77P
(a)
To determine
Calculate the Thevenin resistance at the terminals a-b in the given circuit.
(b)
To determine
Calculate the Norton resistance at the terminals a-b in the given circuit.
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1) The parameters for circuit in Figure 1 are ẞ₁ = 120, B2=80, VBE1 (On) = VBE2 (on) =
0.7 V and VA1 = VA2 = ∞0.
a) Find the collector current in each transistor.
b) Find the small signal voltage gain Av = Vo/Vs.
c) Find the I/O resistance.
Rib
5V.
Figure 1
Q₁
0.5 k
Vcc=9V
Q2
R
ww
50 Ω
3) In the circuit in Figure 3, the Transistor parameters are VTN = 0.8 V and Kn
= 0.5 mA/V2. Calculate ID, VGS, and VDS.
VDD = 10 V
Κ = 32 ΚΩ
Κρ=4ΚΩ
R2 = 18 ΚΩ
Rs = 2k
Figure 3
2) Consider the circuit in Figure 2, The transistor parameters are VTP = -0.8 V and Kp
= 0.5 mA/V2. Determine ID, VSG and VSD.
Chapter 4 Solutions
ELECTRIC CIRCUITS-W/MASTERINGENGINEERING
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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- For the circuit shown, let V₁ = 12 V, Is1 = 2A, Is2 = 4A, R₁ = 2, R2 = 4, and R3 = 6. Determine the current Io using Mesh method as follows: 1. Choose all meshes that must be included, if any, to construct the supermesh. 11, 13 O 11, 12 O 12, 13, 11 12, 13 O none of the above 2. Consider mesh (loop) iz, write the corresponding expression in terms of mesh currents i₁, 12, 13 as of the form (R11 · i₁ + R₁2 · 2 + R₁3-13 = V₁), then enter the corresponding values: R11 R12 R13 Ω Ω Ω V V₁₂ 3. Solve the above equation to determine then lo : 10 = Ist A R₁ ww ww R₂ + V₁ 1, R3 The relative tolerance for this problem is 7%. ww IS2arrow_forwardEnter the matrix values (numerical) to solve for mesh-currents i₁, iz and 13, for the circuit shown, using Mesh method. In the matrix, row 1, row 2, and row 3 correspond to i₁, 12 and 13, current expressions, respectively. Let Vs=15, R₁ =50, R₂-32, R3-8, R4-17, R5-29, and R=41. [R11 R12 R13 The matrix values are shown here: R21 R22 R23 = V₂ R31 R32 R33 [V3] The relative tolerance for this problem is 5%. R1 Loop i₁ R11 + Vs Ω R12 Ω R13 Ω V V₁= Loop 12 R21 Ω R22 Ω R23 Ω V V₂ Loop 13 Ω R31 R32 Ω R33 Ω V3= V R2 R4 R3 R5 R6arrow_forwardFor circuit shown, use Mesh method to find the voltage Vo as follows. Enter, in the matrix format, as below, the loop currents, where row 1, and row 2, correspond to i₁, and i2 loop current expressions, respectively. Let Vs1-5, Vs2-15, R₁=5, R₂=2, and R3=8. The matrix values are shown here: [R11 R12 21 R21 R22 Rx - M - M iz = The relative tolerance for this problem is 5%. Vst (+- R1 ww Loop i₁ R115 G12 V₁ = Loop 12 R21 R22 V₂= Ω C C Ω V Ω 02 C V R₂ ww VS2 + Ry ww + Vo Use Cramer's rule (matrix), substitution, or any other method to calculate the voltages:arrow_forward
- = = For the circuit shown, let V, 15 V, I, 4A, R₁ =5, R₂ 10, R3 10, and R4 5. Determine the output voltage Vo as follows All resistor values are in ohms. 1. Identify the supermesh and write its corresponding Mesh equation. Provide your expression in terms of the shown mesh current i₁, and 12 of the form (R11 · 11+ R12 · 12 = V₁), then enter the corresponding values: R11 Ω R12 V₁= V Ω 2. Use the above equation, and supermesh inner expression to calculate i₂: i₂- Find Vo V₁ = A V R₁ www M R3 ww V R4 V₁ 0 IS R₁ The relative tolerance for this problem is 7 %. 0arrow_forward11.18 In the circuit of Fig. P11.18, what should the value of thecoupling coefficient k be so that Vout/Vin = 0.49?arrow_forward11.26 Determine the complex power supplied by the source inthe circuit of Fig. P11.26.arrow_forward
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