9.11Find the Thevenin and Norton equivalent circuits at terminals a-b for each of thefollowing circuits.j20 2all10 250/30° V-j10 2(a)-j5 24/0° A82j10 2(b)(a) Zy = Z, = 22.362-63.43° QV, = -50430° V, I, = 2.236273.4° AFA.th(b) Zy = Z = 10226° QV, = 33.92258° V, I, = 3.392Z32° AN.thN-all

Part a: Thevenin equivalent circuit: First, we will find the equivalent impedance across the…

Answered: 9.11 Find the Thevenin and Norton…

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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i (t)  40 2 cost A2 i (t)  30 2 cos(t  90) A2. Suppose thatFind i1 + i2。 3. A voltage source V is applied to a 100 μF capacitor.(1)Find the impedance of the capacitor.(2)Find the phasor current and phasor voltage.(3)Draw the phasor diagram.100cos200ut 4. Are the circuit voltages and impedancesgiven in the following diagrams correct?Z  7Ω U=14V ? Z  10Ω U=70V ?(a)34V1V26V8V+_U 6830V40V(b) 5. Are the circuit currents and impedancesgiven in the following diagrams correct?Z  2Ω I=8A ? Z  2Ω I=8A ?(c)4A4 4A4 A2IA1(d)4A4 4A4 A Z1 = (3+j4) Ω, Z2 = (8–j6) Ω， U  2200 V1 2 Find I , I , I .Z1 Z2 U+–I1 I 2 I，
A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as ε = Va - Vb = εmsinωt, where εm = 120 V and ω = 429 radians/second. The values for the remaining circuit components are: R = 61 Ω, C = 426 μF. The value for L is unkown. What is known is that the voltage across the generator leads the current in the circuit by φ = 48 degrees. 1) What is t1, the first time after t = 0 when the magnitude of the voltage across the inductor is maximum? 4) What is VL,max, the magnitude of the maximum voltage across the inductor? 5) What is VL = Vb - Vc, the voltage across the inductor, at time t = 0? Note that VL is a signed number.
If y1=20 cos (ωt − 30°) and y2=40 cos (ωt + 60°), express y=y1 + y2 as asingle sinusoidal function.1. Solve by using trigonometric identities.2. Solve by using the phasor concept.
A resistor of 100 Ω, a coil of 4.50 uH and a capacitor of 220 pH are in parallel. What is the impedance vector at8.50 MHz?A. 100 + j 240 ohms C. 100 – j 240 ohmsB. 258u + j160.6 m ohms D. 258u - j160.6m ohms
A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as ε =Va - Vb = εmsinωt, where εm = 120 V and ω = 726 radians/second. The values for the remaining circuit components are: R = 62 Ω, L = 95.6 mH, and C = 13.8μF. 4) What is t1, the first time after t = 0 when the voltage across the inductor is zero? 6) What is VC = Vd - Va, the voltage across the capacitor, at time t = 0? Note that VC is a signed number.
Suppose that the modulating signal m (t) is sinusoid of the formm (t) = 10 COS ( 2π103t) and the carrier signal C(t) is sinusoid of the form C(t) = 4 COS ( 2π106t + Ɵ)1. According to the previous results which type of AM is the best in respect toa. Power transmitted b. band widthJustify your answers2. Draw the block diagram for both DSBSC and DSBFC with all parameters.
Answer is j11.56
A circuit branch is found to have an equivalent impedance of Z=120−j45Ω. It is given that this impedance is a series combination of a 120Ω resistor and another passive component. If the circuit has a sinusoidal voltage source whose frequency is 120 Hz. What is the value of the component in series with the 120Ω resistor? (Note: Express the value assuming a metric scaling of μ(10-6). Provide your answer in decimal form, up to 3 decimal places.)
32. A time domain circuit with v(t) = 100 sin(377t) in 5mS, what is the effective current if the load is 10 ohms? 6.14A 8.67A 7.07A 10A 36. In a series RL circuit, if cos θ = 0.707, the voltage ________ the current by _______. leads, 90 degrees lags, 90 degrees leads, 45 degrees lags, 45 degrees 37. What will happen when an ideal capacitor was installed in parallel with the load? system power factor decreases system power factor increases system will be under voltage system power loss increases 39. Phase angle in a balance circuit has a difference of __________ degrees. 60 90 30 120
Given the voltage v(t) = Vmax cos(ωt + θV) and current i(t) = Imax cos(ωt + θI) signals. (2b-1) Derive the instantaneous power equationp(t). Note: The desired expression will only have cosine functions. (2b-2) Identified the frequency component from p(t) and identifythe radian frequency present on this signal. (2b-3) Identified the DC component of p(t).
In the circuit shown below, the AC voltage is V0 cos(ωt). Find: (a) The current I(t) through theresistor and capacitor, assuming no current is diverted into the branches on the right. Clearlyidentify the relative phase shift δ between the applied voltage and the current. (b) The voltage VR(t) across the resistor. Factor your answer out so that it is expressed in terms of the dimensionlessquantity ωRC. Graph the amplitude of VR(t) as a function of ωRC.
A 300 Ω resistor is in series with a 0.140 H inductor and a 0.600 μF capacitor. A. Compute the impedance of the circuit at a frequency of f1 = 500 Hz and at a frequency of f2 = 1000 Hz. I already solved A: Z1 = 310, Z2 = 680 B. In each case, compute the phase angle of the source voltage with respect to the current. C. State whether the source voltage lags or leads the current at a frequency 500 Hz D. State whether the source voltage lags or leads the current at a frequency 1000 Hz

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