Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 11, Problem 23P
a.
To determine
The voltage across the inductor at given time.
b.
To determine
The voltage across the inductor at given time.
c.
To determine
The voltage across the inductor at given time.
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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 11 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 11 - Lenz’s law states that the amount of voltage...Ch. 11 - An ideal inductor has no winding resistance.Ch. 11 - The total inductance of two parallel inductors is...Ch. 11 - The total inductance of parallel inductors is...Ch. 11 - The time constant of an RL circuit is given by the...Ch. 11 - Prob. 6TFQCh. 11 - Prob. 7TFQCh. 11 - Prob. 8TFQCh. 11 - Prob. 9TFQCh. 11 - Prob. 10TFQ
Ch. 11 - Prob. 1STCh. 11 - Prob. 2STCh. 11 - When the current through an inductor increases,...Ch. 11 - Prob. 4STCh. 11 - Prob. 5STCh. 11 - Prob. 6STCh. 11 - Prob. 7STCh. 11 - Prob. 8STCh. 11 - Prob. 9STCh. 11 - Prob. 10STCh. 11 - Prob. 11STCh. 11 - Prob. 1TSCCh. 11 - Prob. 2TSCCh. 11 - Symptom: The voltmeter 1 reading is 5 V, and the...Ch. 11 - Prob. 4TSCCh. 11 - Prob. 5TSCCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - A 12 V battery is connected across a coil with a...Ch. 11 - Prob. 5PCh. 11 - The current through a 100 mH coil is changing at a...Ch. 11 - Prob. 7PCh. 11 - Suppose that you require a total inductance of 50...Ch. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Determine the total inductance of each circuit in...Ch. 11 - Determine the total inductance of each circuit in...Ch. 11 - Prob. 13PCh. 11 - In a series RL circuit, determine how long it...Ch. 11 - Prob. 15PCh. 11 - In Figure 11-45, calculate the current at each of...Ch. 11 - Prob. 17PCh. 11 - Find the total reactance for each circuit in...Ch. 11 - Determine the total rms current in Figure 11-46....Ch. 11 - What frequency will produce a total rms current of...Ch. 11 - Prob. 21PCh. 11 - Determine the time constant for the circuit in...Ch. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - What is the current in the inductor 1.0s after the...Ch. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 32P
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