Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Question
Chapter 15, Problem 4P
To determine
The value of minimum width of the pulse.
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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 15 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 15 - Transient time for an RC circuit is the same as...Ch. 15 - Prob. 2TFQCh. 15 - If the source voltage is increased in a pulsed RC...Ch. 15 - Prob. 4TFQCh. 15 - Prob. 5TFQCh. 15 - Prob. 6TFQCh. 15 - Prob. 7TFQCh. 15 - Prob. 8TFQCh. 15 - Prob. 9TFQCh. 15 - Prob. 10TFQ
Ch. 15 - Prob. 1STCh. 15 - Prob. 2STCh. 15 - Prob. 3STCh. 15 - Prob. 4STCh. 15 - In an RC differentiator, the output pulse closely...Ch. 15 - Prob. 6STCh. 15 - Prob. 7STCh. 15 - Prob. 8STCh. 15 - Prob. 9STCh. 15 - Prob. 10STCh. 15 - Prob. 1PCh. 15 - Determine how long it takes the capacitor in an...Ch. 15 - Prob. 3PCh. 15 - Prob. 4PCh. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Show the approximate shape of an integrator output...Ch. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - Prob. 13PCh. 15 - Draw the differentiator output in Figure 15-59....Ch. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - Prob. 20PCh. 15 - Ideally, what is the output of an RC integrator...Ch. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Prob. 24PCh. 15 - Prob. 25PCh. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Draw the schematic for the circuit in Figure 15-69...Ch. 15 - Prob. 29PCh. 15 - Prob. 30PCh. 15 - Prob. 31PCh. 15 - Prob. 32P
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