8.57 In the phasor-domain circuit shown in Fig. P8.57,V = 30/60° V, R₁ = 5 2, R₂ = 20 2, R3 = 10 2,Zc = -j42, and Z₁ = j6 . Choose the load impedanceZLZload so that the power dissipated in it is a maximum. Howmuch power will that be?V+1R₁R₂wwZloadZcHHмееFigure P8.57: Circuit for Problem 8.57.ZLR3

Answered: Image /qna-images/answer/49235f6d-2c2f-418a-a11f-bf3a4c3adbdc.jpg

Answered: 8.57 In the phasor-domain circuit shown…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A source provides a sinusoidal current is (t) of 60 Hz to two resistors and a capacitor, so that a current ic (t) flows through this last element. a) Indicate under which conditions ic (t) would be late with respect to is (t), under which conditions it would be in phase and under which conditions it would be earlyb) If C increased and the rest of the circuit remained the same, indicate whether the effective value of ic (t) would increase or decrease
Given a capacitive load absorbing 5 kW with a power factor of 0.85. The source connected to this load is an AC voltage supply with 120V RMS at a frequency of 50 Hz. Please find; A) Peak current (m) and RMS Current (ms) Values B) Draw peak voltage and current phasors on phasor diagram with everything labelled C) Find the value of an inductor that when connected in parallel will improve the power factor to 0.95.
For a series RLC circuit with a sinusoidal input voltage, the amplitude of the current passing through the circuit (I, in mA) is plotted as a function of frequency for two cases: Curve 1 with R1, L1. and Curve 2 with R2. L2 as shown in the next figure. The value of the capacitor used in the circuits is C=0.01 micro Farads. If the value of R2 =1600 Ohm then the input voltage (in volts) is: 7.5 25 110 Frequency H2 O a. 4 O b. 16 sin(9888 t) O c. 8 O d. 8 cos(6.28 f t) O e. 8 sin (6.28 R t)
In the circuit, v₁ and ₂ are AC sources with = 100 rad/s. The phasor diagram shows the phasors of v₁ and v₂. It is not drawn to scale. You may assume the system is in steady state. V3 is a DC source. (a) What is v₂ where I is the period of the waveform ? (b) What is the waveform ia(t)? (c) What is the maximum value of the waveform va(t)? V3 L + V1 1 + + Va V2 V₂ a Im V₁ να Re |V1|: |V2|: alpha: V3: C: L: 2 V 3 V 30 degrees 3 V 10 mF 25 mH
An inductive coil of resistance 15 ohms and inductance 0.2 is commented in parallel with a 100 microfarad capacitor to a variable frequency supply.Find the frequency at which the total current taken is in phase with the supply voltage. What is the value of this current if the voltage is 200V.Draw a phasor diagram
Ex. 681. Given a sinusoidal voltage source in series with R,L, and C. The sinusoidal frequency is 400 Hz. C=500 microFarad, V=30sin(wt) volts. phasor voltages across the capacitor, resistor, and inductor. R=2 Ohms, L=6 milliHenry, Find the phasor current, ans:8
A source provides a sinusoidal current is (t) of 60 Hz to two resistors and a capacitor, so that a current ic (t) flows through this last element. a) If R2 = 1, design R1 and C so that the effective value of ic (t) is half that of is (t) and so that the phase shift between these currents is 45 °
8.49 In the circuit shown in Fig. P8.49, a generator is connected to a load via a transmission line. Given that : (4 + j2) №2, and Zload = (40+ j30) 2: = Rs = 102, Zline S
Evaluate the following twiddle factor: W84
3 Inductors are difficult to use as components of integrated circuits due to the need for large coils of wire. As an alternative, a "solid-state inductor" can be constructed as in the circuit of Figure P8.13. a. Determine the impedance looking in Zm =7. b. What is the impedance when R= 1, 000 2 and C-0.02 μF
1. What is the shortest time required for a 4.3-krad/s sinusoid to increase from two-fifths to four-fifths of its peak value ? CHOICES: A. 120 s B. 140 s C. 160 s D. 180 s E. NOTA
Use the currents method mesh to find the equation iL(t) (consider a linear frequency 60 hz)

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