Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Chapter 24, Problem 40P
Find the total watts, volt-amperes reactive, volt-amperes, and Fp of the three-phase system in
Problem 29.
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A linear electrical load draws I₁ A at a 0.72 lagging power factor. 11 = 153
When a capacitor is connected, the line current dropped to 122 A and the power factor
improved to 0.98 lagging. Supply frequency is 50 Hz.
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respectively. Take the source voltage as the reference and express 11 and 12 as vector
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b. Obtain the capacitor current, Ic = I2 − I₁, graphically as well as using complex number
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d. Analytically solve i₂ (t) - i₁ (t) using the theories of trigonometry to obtain the capacitor current
in the form, ic (t) = 1cm sin(2´ft + 0c). Compare the result with the result in Part b.
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1. The convolution of two signals in time domain is equivalent to
(addition, subtraction, multiplication, division).
2. The Fourier transform of non-periodic signal is
random).
3. In
ASK).
in frequency domain
signal. (discrete, continuous, digital,
the pulse location is proportional to the amplitude of the signal. (PAM, PWM, PPM
4. In TDM the input signals must have
(the same maximum frequency, the same
sampling frequency, the same bit rate, the same amplitude).
5. The Delta Modulation is equivalent to
(1-bit DPCM, 2-bit DPCM, n-bit PCM, PSK).
bandwidth when compared to the NRZ
6. In baseband digital transmission, the RZ signal has
signal. (less, greater, equal, not related).
7. In Differential Manchester code, the shapes of "1" and "0" are,
each other, next bit dependent, not related to each other).
(the same, opposite to
8. In multi-level digital carrier system R, is _ R₁. (equal to, less…
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bit dependent, not related to each other).
2. In FDM the guard band is used to
decrease, maintain, not related to).
3. Higher number of levels in PCM produces
(the same, opposite to each other, next
the overlap between FDM signals. (increase,
(higher quantization error, less number
of bits per sample, lower quantization error, the same number of bits per sample).
4. If the maximum shift in frequency is 70 kHz and the minimum deviation in frequency of the
actual signal is 109.93 MHz, what is the carrier frequency? (110 MHz, 110 kHz, 107 kHz,
102 MHz)
Fc
5. TDM of signals requires them to have the same
amplitude, sampling frequency, energy).
6. In standard AM, the last step in the transmitter is
subtracting, multiplying, dividing).
. In digital carrier systems,
PSK).
(maximum frequency, maximum
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Chapter 24 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 24 - A balanced V load having a 10 resistance in each...Ch. 24 - Repeat Problem 1 if each phase impedance is...Ch. 24 - Repeat Problem 1 if each phase impedance is...Ch. 24 - The phase sequence for the Y-Y system in Fig....Ch. 24 - Repeat Problem 4 if each phase impedance are...Ch. 24 - Repeat Problem 4 if each phase impedance is...Ch. 24 - For the system in Fig. 24.43, find the magnitude...Ch. 24 - Computer the magnitude of the voltage EAB for the...Ch. 24 - For the Y-Y system in Fig. 24.45: a. Find the...Ch. 24 - For the Y-Y system of Fig. 24.46 the impedance of...
Ch. 24 - A balanced load having a 20 resistance in each...Ch. 24 - Repeat Problem 11 if each phase impedance is...Ch. 24 - Repeat Problem 11 if each phase impedance is...Ch. 24 - The phase sequence for the Y- system in Fig....Ch. 24 - Repeat Problem 14 if each phase impedance is...Ch. 24 - Repeat Problem 14 if each phase impedance are...Ch. 24 - Prob. 17PCh. 24 - For the connected load in Fig. 24.49: a. Find the...Ch. 24 - A balanced V load having a 30 resistance in each...Ch. 24 - Repeat Problem 19 if each phase impedance is...Ch. 24 - Prob. 21PCh. 24 - Prob. 22PCh. 24 - Prob. 23PCh. 24 - Repeat Problem 22 if each phase impedance is...Ch. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - The phase sequence for the - system in Fig....Ch. 24 - Repeat Problem 28 if each phase impedance is...Ch. 24 - Repeat Problem 28 if each phase impedance is...Ch. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - Prob. 35PCh. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - A balanced, three-phase, -connected load has a...Ch. 24 - A balanced, three-phase, Y-connected load has a...Ch. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - The Y-Y system in Fig. 24.53 has a balanced load...Ch. 24 - Prob. 45PCh. 24 - Prob. 46PCh. 24 - Repeat Problem 46 for the network in Fig. 24.47.Ch. 24 - For the three-wire system in Fig. 24.55, properly...Ch. 24 - Sketch three different ways that two wattmeters...Ch. 24 - For the Y- system in Fig. 24.56: Determine the...Ch. 24 - For the system in Fig. 24.57: Calculate the...Ch. 24 - For the three-phase, three-wire system in Fig....
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