Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 11, Problem 44E
Compute the complex power S (in polar form) drawn by a certain load if it is known that (a) it draws 100 W average power at a lagging PF of 0.75; (b) it draws a current I = 9 + j5 A rms when connected to the voltage 120∠32° V rms; (c) it draws 1000 W average power and 10 VAR reactive power at a leading PF; (d) it draws an apparent power of 450 W at a lagging PF of 0.65.
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In the figure, R = 22.50, C=4.31 μF, and L = 35.1 mH. The generator provides an emf with rms voltage 92.9 V and frequency 764 Hz.
(a) What is the rms current? What is the rms voltage across (b) R, (c) C, (d) L, (e) C and L together, and (f) R, C, and L together? At what
average rate is energy dissipated by (g) R, (h) C, and (i) L?
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R
P.3: Find the rms value for the following sinusoidal waveforms
a. v= 120 sin(377t + 60°)
b. i=6x 10³ sin(2# 1000r)
c. u=8 x 10-6 sin(2# 5000 + 30°)
P.4: Find the rms value for the following sinusoidal waveforms
a. v= 20 sin 754r
b. v= 7.07 sin 377r
c. i=0.006 sin(400r + 20°)
d. i 16 x 10³ sin(377r - 10%)
P.5: Write the sinusoidal expressions for voltages and currents having the following rms
values at a frequency of 60 Hz with zero phase shifts:
a. 4.8 V
b. 50 mA
c. 2 kV
a sinusodial source supplies 30 KVAR reactive power to load Z= 250at an angle-75° determine (a) the power factor
b) the apparant power delivered to the load and c) the RMS voltage.
Chapter 11 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 11.1 - A current source of 12 cos 2000t A, a 200 ....Ch. 11.2 - Given the phasor voltage across an impedance ,...Ch. 11.2 - Prob. 3PCh. 11.2 - Prob. 4PCh. 11.2 - A voltage source vs is connected across a 4...Ch. 11.3 - If the 30 mH inductor of Example 11.7 is replaced...Ch. 11.4 - Calculate the effective value of each of the...Ch. 11.5 - For the circuit of Fig. 11.16, determine the power...Ch. 11.6 - Prob. 10PCh. 11 - Prob. 1E
Ch. 11 - Determine the power absorbed at t = 1.5 ms by each...Ch. 11 - Calculate the power absorbed at t = 0, t = 0+, and...Ch. 11 - Three elements are connected in parallel: a 1 k...Ch. 11 - Let is = 4u(t) A in the circuit of Fig. 11.28. (a)...Ch. 11 - Prob. 6ECh. 11 - Assuming no transients are present, calculate the...Ch. 11 - Prob. 8ECh. 11 - Prob. 9ECh. 11 - Prob. 10ECh. 11 - The phasor current I=915mA (corresponding to a...Ch. 11 - A phasor voltage V=10045V (the sinusoid operates...Ch. 11 - Prob. 13ECh. 11 - Prob. 14ECh. 11 - Find the average power for each element in the...Ch. 11 - (a) Calculate the average power absorbed by each...Ch. 11 - Prob. 17ECh. 11 - Prob. 18ECh. 11 - Prob. 19ECh. 11 - The circuit in Fig. 11.36 has a series resistance...Ch. 11 - Prob. 21ECh. 11 - Prob. 22ECh. 11 - Prob. 23ECh. 11 - Prob. 24ECh. 11 - Prob. 25ECh. 11 - Prob. 26ECh. 11 - Prob. 27ECh. 11 - Prob. 28ECh. 11 - Prob. 29ECh. 11 - Prob. 30ECh. 11 - Prob. 31ECh. 11 - Prob. 32ECh. 11 - Prob. 33ECh. 11 - (a) Calculate both the average and rms values of...Ch. 11 - Prob. 35ECh. 11 - FIGURE 11.43 Calculate the power factor of the...Ch. 11 - Prob. 37ECh. 11 - Prob. 38ECh. 11 - Prob. 40ECh. 11 - Prob. 41ECh. 11 - Prob. 42ECh. 11 - Prob. 43ECh. 11 - Compute the complex power S (in polar form) drawn...Ch. 11 - Calculate the apparent power, power factor, and...Ch. 11 - Prob. 46ECh. 11 - Prob. 48ECh. 11 - Prob. 49ECh. 11 - Prob. 50ECh. 11 - Prob. 51ECh. 11 - Prob. 52ECh. 11 - FIGURE 11.49 Instead of including a capacitor as...Ch. 11 - Prob. 54ECh. 11 - A load is drawing 10 A rms when connected to a...Ch. 11 - For the circuit of Fig. 11.50, assume the source...Ch. 11 - Prob. 57ECh. 11 - A source 45 sin 32t V is connected in series with...Ch. 11 - Prob. 60ECh. 11 - FIGURE 11.51 The circuit in Fig. 11.51 uses a Pi...Ch. 11 - Prob. 62ECh. 11 - Prob. 63ECh. 11 - You would like to maximize power transfer to a 50 ...
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