Introductory Circuit Analysis 11th. Edition by Robert L. Boylestad | 9780131730441 | 0131730444 | Holooly

Circuit Analysis

Introductory Circuit Analysis

410 SOLVED PROBLEMS

Question: 24.11

Repeat Example 24.10 for f = 10 kHz. ...

Verified Answer:

T=\frac{1}{f}=\frac{1}{10 kHz }=0.1 ms[/lat...

Question: 24.10

The 1000 Hz square wave in Fig. 24.31 is applied to the R-C circuit of the same figure. a. Compare the pulse width of the square wave to the time constant of the circuit. b. Sketch vC. c. Sketch iC . ...

Verified Answer:

\text { a. } \quad T=\frac{1}{f}=\frac{1}{1...

Question: 23.5

For the Y-connected load in Fig. 23.23: a. Find the average power to each phase and the total load. b. Determine the reactive power to each phase and the total reactive power. c. Find the apparent power to each phase and the total apparent power. d. Find the power factor of the load. ...

Verified Answer:

a. The average power is

P_{\phi}=V_{\phi} I...

Question: 23.1

The phase sequence of the Y-connected generator in Fig. 23.13 is ABC. a. Find the phase angles θ2 and θ3. b. Find the magnitude of the line voltages. c. Find the line currents. d. Verify that, since the load is balanced, IN = 0. ...

Verified Answer:

a. For an ABC phase sequence,

\theta_{2}=-1...

Question: 22.4

For the residential supply appearing in Fig. 22.7, determine (assuming a totally resistive load) the following: a. the value of R to ensure a balanced load b. the magnitude of I1 and I2. c. the line voltage VL, d. the total power delivered for a balanced three-phase load e. the turns ratio a=Np/Ns. ...

Verified Answer:

\text { a. } \quad P_{T}=(10)(60 W )+200 W ...

Question: D.6

Solve for x, y, and z: 1x + 0y – 2z=-1, 0x + 3y + 1z=+2, 1x + 2y + 3z = 0. ...

Verified Answer:

=\frac{[(-1)(3)(3)+(0)(1)(0)+(-2)(2)(2)]-[(...

Question: D.4

Solve for x and y: x = 3 – 4y, 20y=-1 + 3x. ...

Verified Answer:

In this case, the equations must first be placed i...

Question: D.3

Solve for x and y: -x + 2y = 3, 3x – 2y=-2 ...

Verified Answer:

In this example, note the effect of the minus sign...

Question: D.7

Expand the following third-order determinants: ...

Verified Answer:

\text { a. } \quad D=\left|\begin{array}{ll...

Question: D.5

Evaluate the following determinant: | 1 2 3 -2 1 0 0 4 2 | → ...

Verified Answer:

[(1)(1)(2)+(2)(0)(0)+(3)(-2)(4)]

[la...

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