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Essentials of Electrical and Computer Engineering

David V. Kerns, Jr., J. David Irwin

Chapter 2

DC Circuits - all with Video Answers

Educators


Chapter Questions

01:56

Problem 1

Find $I_1$ in the circuit in Figure P2.1.
FIGURE P2.1 can't copy

Thomas Thompson
Thomas Thompson
Numerade Educator
11:33

Problem 2

If $I_3=4 \mathrm{~mA}, I_4=8 \mathrm{~mA}$, and $I_5=6 \mathrm{~mA}$, find $I_1$, $I_2$, and $I_6$ in the network in Figure P2.2.
Figure P2.2 can't copy

Hemraj Kumawat
Hemraj Kumawat
Numerade Educator
11:33

Problem 3

If $I_2=2 \mathrm{~mA}, I_4=4 \mathrm{~mA}$, and $I_6=6 \mathrm{~mA}$, find $I_1$, $I_3$, and $I_5$ in the network in Figure P2.3.
Figure P2.3 can't copy

Hemraj Kumawat
Hemraj Kumawat
Numerade Educator
01:07

Problem 4

If $I_4=2 \mathrm{~mA}, I_6=3 \mathrm{~mA}$, and $I_7=5 \mathrm{~mA}$, find $I_1$, $I_2, I_3$, and $I_5$ in the circuit in Figure P2.4.
Figure P2.4 can't copy

Narayan Hari
Narayan Hari
Numerade Educator
03:01

Problem 5

If $V_2=10 \mathrm{~V}$ in the network in Figure P2.5, find $V_1$ and $V_{b d}$.
Figure P2.5 can't copy

Thomas Thompson
Thomas Thompson
Numerade Educator
01:41

Problem 6

In the circuit in Figure P2.6, $V_2=V_3=2 \mathrm{~V}$. Find $V_1, V_{b c}$, and $V_{d a}$.
Figure P2.6 can't copy

Thomas Thompson
Thomas Thompson
Numerade Educator
02:04

Problem 7

Find $V_1, V_2$, and $V_3$ in the circuit in Figure P2.7.
Figure P2.7 can't copy

Thomas Thompson
Thomas Thompson
Numerade Educator

Problem 8

In the network in Figure $\mathrm{P} 2.8, V_4=6 \mathrm{~V}$. Find $V_1, V_2, V_3$, and $V_5$.
Figure P2.8 can't copy

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Problem 9

Find $I$ in the circuit in Figure P2.9.
Figure P2.9 can't copy

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03:25

Problem 10

In the circuit in Figure P2.10, find $R$.
Figure P2.10 can't copy

Thomas Thompson
Thomas Thompson
Numerade Educator
11:35

Problem 11

In the network in Figure P2.11, the power absorbed by the resistor is $8 \mathrm{~mW}$. Find $V_S$.
Figure P2.11 can't copy

M Hassan Anwar
M Hassan Anwar
Numerade Educator

Problem 12

Find $I$ and $V_0$ in the circuit in Figure P2.12.
Figure P2.12 can't copy

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Problem 13

Find $I_1, V_1$, and $V_2$ in the network in Figure P2.13.
Figure P2.13 can't copy

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03:13

Problem 14

Find $V_S$ and $V_0$ in the network in Figure P2.14.
Figure P2.14 can't copy

Thomas Thompson
Thomas Thompson
Numerade Educator

Problem 51

Find $V_0$ in the circuit in Figure $\mathrm{P} 2.51$.
Figure P2.51 can't copy

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02:55

Problem 52

Find the node voltages in the circuit in Figure P2.52.
Figure P2.52 can't copy

Khoobchandra Agrawal
Khoobchandra Agrawal
Numerade Educator

Problem 53

Solve problem 2.51 using MATLAB.

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Problem 54

Solve problem 2.52 using MATLAB.

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Problem 55

Use loop analysis to find $I_1, I_2$, and $V_0$ in the circuit in Figure P2.55.
Figure P2.55 can't copy

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Problem 56

Find $V_0$ in the network in Figure P2.56.
Figure P2.56 can't copy

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Problem 57

Find $V_0$ in the circuit in Figure P2.57.
Figure P2.57 can't copy

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Problem 58

Find $I_0$ in the network in Figure P2.58 using loop analysis.
Figure P2.58 can't copy

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Problem 59

Use loop analysis to find $V_0$ in the circuit in Figure P2.59.
Figure P2.59 can't copy

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Problem 60

Find all loop currents in the network in Figure P2.60.
Figure P2.60 can't copy

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Problem 61

Solve problem 2.59 using MATLAB.

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Problem 62

Solve problem 2.60 using MATLAB.

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02:53

Problem 63

Find $I_0$ in the circuit in Figure P2.63 using superposition.
Figure P2.63 can't copy

Khoobchandra Agrawal
Khoobchandra Agrawal
Numerade Educator

Problem 64

Solve problem 2.49 using superposition.

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Problem 65

Use superposition to find $V_0$ in the circuit in Figure P2.65.
Figure P2.65 can't copy

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Problem 66

Find $I_0$ in the network in Figure P2.66 using superposition.
Figure P2.66 can't copy

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Problem 67

Use superposition to find $V_0$ in the circuit in Figure P2.67.
Figure P2.67 can't copy

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03:09

Problem 68

Solve problem 2.49 using source transformation.

Kajal Gautam
Kajal Gautam
Numerade Educator
03:09

Problem 69

Solve problem 2.51 using source transformation.

Kajal Gautam
Kajal Gautam
Numerade Educator

Problem 70

Use source transformation to find $V_0$ in the circuit in Figure P2.70.
Figure P2.70 can't copy

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Problem 71

Find $V_0$ in the network in Figure P2.71 using source transformation.
Figure P2.71 can't copy

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Problem 72

Use source transformation to find $I_0$ in the circuit in Figure P2.72.
Figure P2.72 can't copy

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Problem 73

Use Thevenin's theorem to find $I_0$ in the network in Figure P2.73.
Figure P2.73 can't copy

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Problem 74

Solve problem 2.49 using Thevenin's theorem.

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Problem 75

Use Thevenin's theorem to find $V_0$ in the network in Figure P2.75.
Figure P2.75 can't copy

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Problem 76

Solve problem 2.67 using Thevenin's theorem.

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Problem 77

Solve problem 2.71 using Thevenin's theorem.

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Problem 78

Solve problem 2.63 using Norton's theorem.

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Problem 79

Find $I_0$ in the circuit in Figure P2.79 using Norton's theorem.
Figure P2.79 can't copy

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Problem 80

Solve problem 2.70 using Norton's theorem.

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