Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 13, Problem 42P
Open file P13-42. Determine if there is a fault and, if so, identify it.
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Find Laplace transform and the corresponding ROC for
x(t) = e−3sin(2t) u(t)dt
Three similar coils, connected in star, take a total
power of 1.5 kW, at a power factor of 0.2, from a
three-phase, 400 V, 50 Hz supply. Calculate: (a) the
resistance and inductance of each coil; (b) the line
currents if one of the coils is short-circuited.
(a) Three 20 µF capacitors are star-connected across
a 400 V, 50 Hz, three-phase, three-wire supply.
Calculate the current in each line. (b) If one of the
capacitors is short-circuited, calculate the line cur
rents. (c) If one of the capacitors is open-circuited,
calculate: the line currents and the p.d. across each
of the other two capacitors.
ANS:
1.525 A; 2.64 A, 2.64 A, 4.57 A; 1.32 A, 1.32 A, 0;
210 V
Chapter 13 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 13 - A series RLC circuit can have a higher voltage...Ch. 13 - The impedance of a series RLC circuit is dependent...Ch. 13 - Above the resonant frequency, series resonant...Ch. 13 - Prob. 4TFQCh. 13 - Prob. 5TFQCh. 13 - The upper and lower cutoff frequencies of a...Ch. 13 - Prob. 7TFQCh. 13 - The Q of a band-pass filter does not affect the...Ch. 13 - Prob. 9TFQCh. 13 - Prob. 10TFQ
Ch. 13 - Prob. 1STCh. 13 - The phase angle of a series RLC circuit at...Ch. 13 - The impedance at the resonant frequency of a...Ch. 13 - In a series RLC circuit that is operating below...Ch. 13 - Prob. 5STCh. 13 - Prob. 6STCh. 13 - Prob. 7STCh. 13 - Prob. 8STCh. 13 - Prob. 9STCh. 13 - Prob. 10STCh. 13 - Prob. 11STCh. 13 - Prob. 12STCh. 13 - A certain series RLC circuit operates at a...Ch. 13 - Find the impedance in Figure 13-66.Ch. 13 - If the frequency of the source voltage in Figure...Ch. 13 - For the circuit in figure 13-66, find Itot,VR,VL,...Ch. 13 - Draw the voltage phasor diagram for the circuit in...Ch. 13 - Analyze the circuit in Figure 13-67 for the...Ch. 13 - For the circuit in Figure 13-66, is the resonant...Ch. 13 - For the circuit in Figure 13-68, determine the...Ch. 13 - Find XL,XC,Z, and I at the resonant frequency in...Ch. 13 - A certain series resonant circuit has a maximum...Ch. 13 - For the RLC circuit in Figure 13-69, determine the...Ch. 13 - What is the value of the current at the half-power...Ch. 13 - Determine the resonant frequency for each filter...Ch. 13 - FIGURE 13-70 Assuming that the coils in Figure...Ch. 13 - Determine fr and BW for each filter in Figure...Ch. 13 - Find the total impedance of the circuit in Figure...Ch. 13 - Is the circuit in Figure 13-72 capacitive or...Ch. 13 - For the circuit in Figure 13-72, find all the...Ch. 13 - Find the total impedence for the circuit in Figure...Ch. 13 - What is the impedance of an ideal parallel...Ch. 13 - Prob. 21PCh. 13 - How much current is drawn from the source in...Ch. 13 - At resonance, XL=2K and RW=25 in a parallel...Ch. 13 - If the lower cutoff frequency is 2400 Hz and the...Ch. 13 - In a certain resonant circuit, the power to the...Ch. 13 - What values of L and C should be used in a tank...Ch. 13 - Prob. 27PCh. 13 - A parallel resonant band-stop filter is needed to...Ch. 13 - Prob. 29PCh. 13 - Prob. 30PCh. 13 - Prob. 31PCh. 13 - Determine whether there is a value of C that will...Ch. 13 - If the value of C is 0.22F, how much current is...Ch. 13 - Determine the resonant frequencies in Figure 13-77...Ch. 13 - Prob. 35PCh. 13 - Prob. 36PCh. 13 - Prob. 37PCh. 13 - Prob. 39PCh. 13 - Prob. 40PCh. 13 - Prob. 41PCh. 13 - Open file P13-42. Determine if there is a fault...Ch. 13 - Prob. 43P
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