ENGINEERING CIRCUIT...(LL)>CUSTOM PKG.<
9th Edition
ISBN: 9781260540666
Author: Hayt
Publisher: MCG CUSTOM
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Chapter 11, Problem 17E
To determine
Find the average power supplied by the dependent source in the circuit.
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Section 11.8
Power Factor Correction
11.69 Refer to the circuit shown in Fig. 11.88.
(a) What is the power factor?
(b) What is the average power dissipated?
(c) What is the value of the capacitance that will give
a unity power factor when connected to the load?
120 V rms
Z 10 +j122
60 Hz
Chapter 11 Solutions
ENGINEERING CIRCUIT...(LL)>CUSTOM PKG.<
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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- 11.15 In the circuit of Fig. 11.46, find the value of Z, that will absorb the maximum power and the value of the maximum power. 120/0° V 192 wwwww --/12 V./19 V₂ 2V₂ ZLarrow_forward11.21 Assuming that the load impedance is to be purely resistive, what load should be connected to terminals a-b of the circuits in Fig. 11.52 so that the maximum power is transferred to the load? 100 Ω -j10 Q2 a 120/60° V Figure 11.52 For Prob. 11.21. 40 Ω j3092 50 92 2/90° A barrow_forwardAnybody help me with those exercises 14 and 16?arrow_forward
- 11.33 For the following voltage and current phasors, calculate the complex power, apparent power, real power, and reactive power. Specify whether the pf is leading or lagging. (a) V = 220/30° V mms, I = 0.5/60° A rms (b) V=250/-10° V rms, 1= 6.2/-25° Arms (c) V = 120/0° V rms, I = 2.4/-15° Arms (d) V = 160/45° V rms, I = 8.5/90° Armsarrow_forwardAnyone help me with this problemarrow_forwardI need expert solution to this question ❓arrow_forward
- 11.75 Consider the power system shown in Fig. 11.90. Calculate: (a) the total complex power (b) the power factor (c) the parallel capacitance necessary to establish a unity power factor O- + 240 V rms, 50 Hz - Figure 11.90 For Prob. 11.75. 80-j50 92 120 + j70 Ω 60+j0 22arrow_forward7. For the circuit shown below: a) Calculate the real and reactive power associated with each circuit element. b) Is the average power generated equals the average power absorbed? c) Is the magnetizing vars generated equal the magnetizing vars absorbed? Is-10 5 Ω Vo≤80 15/0° A 2.51arrow_forward11.19 The variable resistor R in the circuit of Fig. 11.50 is adjusted until it absorbs the maximum average power. Find R and the maximum average power absorbed. j1Ω 3 Figure 11.50 For Prob. 11.19. 392 www 4/0° A wwww -j2Q2 692 Rarrow_forward
- Please answer in typing formatarrow_forward4. Three transformers each rated 100KVA, supplies it rated value to a load having a pf of 0.8 lagging. If an induction motor rated 10HP, 0.8 lagging and 90% efficient is added to the initial load, determine the kvar value of capacitor bank necessary to prevent the overloading of transformers.arrow_forwardSolve it correctly please. I will rate accordinglyarrow_forward
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