Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 13, Problem 17E
To determine
Find the value of mutual inductance required to deliver 1 W of average power to the speaker.
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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
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 13.1 - Assuming M = 10 H, coil L2 is open-circuited, and...Ch. 13.1 - For the circuit of Fig. 13.9, write appropriate...Ch. 13.1 - For the circuit of Fig. 13.11, write an...Ch. 13.2 - Let is = 2 cos 10t A in the circuit of Fig. 13.14,...Ch. 13.3 - Element values for a certain linear transformer...Ch. 13.3 - (a) If the two networks shown in Fig. 13.20 are...Ch. 13.3 - If the networks in Fig. 13.23 are equivalent,...Ch. 13.4 - Prob. 8PCh. 13.4 - Let N1 = 1000 turns and N2 = 5000 turns in the...Ch. 13 - Prob. 1E
Ch. 13 - With respect to Fig. 13.36, assume L1 = 500 mH, L2...Ch. 13 - The circuit in Fig. 13.36 has a sinusoidal input...Ch. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - The circuit in Fig. 13.38 has a sinusoidal input...Ch. 13 - The physical construction of three pairs of...Ch. 13 - Prob. 8ECh. 13 - Prob. 9ECh. 13 - Calculate v1 and v2 if i1 = 5 sin 40t mA and i2 =...Ch. 13 - Prob. 11ECh. 13 - For the circuit of Fig. 13.41, calculate I1, I2,...Ch. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - In the circuit of Fig. 13.43, M is reduced by an...Ch. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Note that there is no mutual coupling between the...Ch. 13 - Prob. 21ECh. 13 - (a) Find Zin(j) for the network of Fig 13.50. (b)...Ch. 13 - For the coupled coils of Fig. 13.51, L1 = L2 = 10...Ch. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Consider the circuit represented in Fig. 13.53....Ch. 13 - Compute v1, v2, and the average power delivered to...Ch. 13 - Assume the following values for the circuit...Ch. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Prob. 32ECh. 13 - Prob. 33ECh. 13 - Prob. 34ECh. 13 - Prob. 35ECh. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - FIGURE 13.60 For the circuit of Fig. 13.60, redraw...Ch. 13 - Prob. 39ECh. 13 - Prob. 40ECh. 13 - Calculate the average power delivered to the 400 m...Ch. 13 - Prob. 42ECh. 13 - Calculate the average power delivered to each...Ch. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Prob. 46ECh. 13 - Prob. 47ECh. 13 - Prob. 48ECh. 13 - A transformer whose nameplate reads 2300/230 V, 25...Ch. 13 - Prob. 52ECh. 13 - As the lead singer in the local rock band, you...Ch. 13 - Obtain an expression for V2/Vs in the circuit of...Ch. 13 - Prob. 55E
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