Let v1 = a + jb and v2 = c +jd, then v1 + v2 = (a+c) +j(b+d) only if Oa) v1 and v2 phasors are rotating with the same speed O b) v1 and v2 have the same frequency Oc) v1 and v2 have the same phase shift d) v1 and v2 have the same magnitude

Let v1 = a + jb and v2 = c +jd, then v1 + v2 = (a+c) +j(b+d) only if Oa) v1 and v2 phasors are rotating with the same speed O b) v1 and v2 have the same frequency Oc) v1 and v2 have the same phase shift d) v1 and v2 have the same magnitude

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.5MCQ

See similar textbooks

Related questions

Q: When you are converting an instantaneous current to a phasor, how does the phase angle being…

A: The overall solution depends on the phase angle or epoch (initial phase) of the instantaneous form…

Q: rad If w = 2n · 60 = 377aa, find the time-domain functions for the following phasor voltage and…

Q: True or False rotates a phasor (a) faster than operator (j)

A: True or False rotates a phasor (a) faster than operator (j)

Q: a) Draw a graph that depict single-phase waveforms for a purely sinusoidal 50 Hz voltage with…

A: A) Draw a graph that depict single-phase waveforms for a purely sinusoidal 50 Hz voltage with…

Q: 3- Two sinusoidal currents are given by the equations: il = 10 sin (oot + /3) and i2= 15 sin…

A: Given data, Current1(i1)=10sinωt+π3 Current2(i2)=15sinωt-π4

Q: -) A SINUSODAL ALTERNATING HAS AN rims VALUE OF VOLTAGE 200 V FREQUENCY OP so HE IT CRO5SES THE ZERO…

A: Given, RMS value of voltage is V = 200 volts Frequency (f) = 50 Hz The zero crossing of the…

Q: 5. Find the value of total instantaneous quantities using wave and vector solution. = ei 180 sin(wt…

Q: In phasor representation of alternating quantity, one Complete cycle represents 120° rotation of…

A: We need to tell about given statement is true or false.

Q: A sinusoidal source is v(t)=2 sin 500t. Determine the Vmax. Determine the frequency. Determine the…

Q: Q3/What is the phase relationship between the sinusoidal waveforms of ?each of the following sets a.…

A: We need to tell phase relationship for given .we will find out phase angle for given set then decide…

Q: theo Ch2: Sinusoidal Steady-State Analysis Sinusoids OExample: Calculate the phase angle between vi…

Q: For the circuit shown below, solve for Z₁ that draws the maximum average power and what is that…

Q: Perform the following operations, including phasor diagrams where appropriate. 1. (6 + j10) + (8 -…

A: As per our company guidelines we are supposed to answer only first 3 subpart kindly repost the other…

Q: Let the phasor definition of a scalar wave function be given as u(r:t)= Im{U(7)e}. Accordingly…

A: Given scalar wave function is u(r)=ImU(r)ejωt.=cosx1-ωt Generally imaginary part is sine function,…

Q: 02 of 2) i) Convert i(t) = 4 sin(6t – 60°) A to phasor form: ii) If L = 50mH with w=1000 rad/s, what…

Q: Transform the following sinusoidal currents into their amplitude phasor domain: a) i1(t) = 10sin(8t…

A: PART A

Q: Given v1 = 20 sin (ωt + 60˚)V and v2 = 60 cos (ωt - 10˚)V, determine the phase angle between the two…

Q: 3. Verify conservation of complex power for this rms phasor circuit. +j4 2 23 9/+ 1520° V - j22

Q: Let v1 = a + jb and v2 = c +jd, then v1 + v2 = (a+c) +j(b+d) only if a) v1 and v2 have the same…

A: Given v1=a+jb, v2=c+jd then v1+v2=(a+c)+j(b+d) this thing will happen when v1 and v2 have same…

Q: Given the following currents: i 1 = 25 cos(wt + 30°); i 2 = -15 sin(wt – 30°); i 3 = -35cos(wt +…

A: In this question We need to Determine the equation of the resultant current using only function of…

Q: I, = 2 A Z 0° %3D IR YT 20 XL 50 E ll +

A: We need to find out admittance and current and power factor for given circuit

Q: 1. Explain why the phasor and the impedance have the same angle.

A: In the given question we discuss the phasor diagram A phasor is a vector that has an arrowhead at…

Q: 4-Draw the phasor diagram of voltages and currents for both star and delta connections.

Q: STION 8 the phase in degrees (with respect to the +x axis) when dividing two complex numbers, Z1/Z2?…

A: In this question we will find phase of given number... Note:- as per our guidelines , I will answer…

Q: In the phasor diagram of balanced star connected system the angle between VY and - VY is 180 degree.…

Q: In phasor representation of alternating quantity, one Complete cycle represents 120° rotation of…

A: phosors are easy way of representing the alternating quantities. Phasors value at any wt is equal to…

Q: In phasor representation of alternating quantity, one Complete cycle represents 360° rotation of…

A: Phasors are used to represent AC quantities in electrical engineering.

Q: Draw the phasor and wave diagram of the following sinusoidal current: I1 leads I2 by 350, I4 leads…

A: The solution is given below.

Q: R3 C1 R1 R2 Vo RA Vs L1 R1=8 Ohm R2=3 Ohm R3-8 Ohm R4=12 Ohm ZC1=-j16 ZL1= j12 Vs magnitude-15 V Vs…

A: The solution is as follows.

Q: Find the phase relation for the following pairs of sinusoids, (which leads and lags which by how…

A: In this question, Find the phase relation for the following pairs of sinusoids, (which leads and…

Q: 3-Complete the given phasor diagram by assuming that operator 'a' is unity magnitude and counter…

A: According to the given point, ‘a’ is defined as:

Q: Question 9 *3 jw s-plane Pole motion * 2 Comparing the unit step response of pole pairs 1 and 3,…

Q: Q1: (A) In AC circuits the phase difference between the current and voltage waveforms is very…

A: Resistors, inductors and capacitors form an integral part of any electrical circuit. A source,…

Q: Time left 0:51:47 Z1 Z2 V sine sine B Let Z1 = 3+j4 ohm and Z2 = 3-j4 ohm. Let the current source…

A: Brief discussion: For the given AC circuit we need to calculate the value of thevenin equivalent for…

Q: Question 2 Match the description on the left to the best choice of phase angle on the right. All…

A: Bartleby has policy to solve only first 3 subparts of a question. Reupload the question

Q: Perform the following operations, including phasor diagrams where appropriate. 1. (6 + j10) + (8 -…

A: We need to simplify the given number

Q: Q1: Find the inductance per phase per km the conductor is transposed and (r’ = 0.75) cm each, the…

A: The given circuit is of a double circuit three phase transposed line. The inductance per phase per…

Q: draw the phasor diagram. iv) Determine the impedance from Q1 (iii).

A: In this question, We need to determine the impedance Z in the part IV. Impedance Z= V/I

Q: Example: Sketch the phasor diagrams of the following quantities and then find their magnitudes and…

A: Let's try to analyse the given complex values and perform phasor analysis to find the magnitude and…

Q: A time varying Electric Field is given by F=20 cos (wt - 6 z) X (V/m):. The phasor representation of…

A: Given that Phasor representation of E is given is

Q: Two isotropic point sources with identical amplitude and phase currents, and spaced . Find Array…

A: Array pattern=[sin(N¥/2)]/[N*sin(¥/2)] ¥=alpha+ beta*d cos(theta) Where alpha=phase difference…

Q: the phase relation for the following pairs of sinusoids, (which leads and lags which by how much).…

A: In this question we will write phase relationship between two given voltages...

Q: Between i1 = -30cos(ωt + 50°) and v1 = 24sin(ωt - 10°), calculate the phase angle. Sketch and state…

Q: 1. A phase difference of 900 degrees would more often be spoken of as choices: a. out of phase by…

A: 1) 900 degrees= 720 + 180 = 2x360 + 180 For 3600 one revolution gets…

Q: Problem: Five linear components of complex impedances Z1, Z2, Z3, Z4 and Z5 are connected as it is…

A: Given: Consider the following circuit: Here, To find: A) Find the average power that each…

Q: When, Xp=127.3280,7=100-127.3.2, Isz 0.149<51.853°A Pawer factore Oa67 Teading Apparent CComplex…

A: Explanation: Given that Z = (100 - j127.3)Ω, XC = 127.3Ω We know that Z = R - jXC, Therefore R =…

Q: phase sequence, determine: a) Va'b' b) Va"b" a 0.5 + j1.5 N 0.8 + j2N b' b" 0.5 + j1.5 N 0.8 + j2 N…

Q: Obtain phasor transformation of the following expressions in polar form. i. V(t)=170 cos(377t-40°)…

Question

Let v1 = a + jb and v2 = c +jd, then v1 + v2 = (a+c) +j(b+d) only if
a) v1 and v2 phasors are rotating with the same speed
O b) v1 and v2 have the same frequency
Oc) v1 and v2 have the same phase shift
| d) v1 and v2 have the same magnitude

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Convert the following instantaneous currents to phasors, using cos(t) as the reference. Give your answers in both rectangular and polar form. (a) i(t)=5002cos(t30) (b) i(t)=4sin(t+30) (c) i(t)=5cos(t15)+42sin(t+30)
Let v1 = a + jb and v2 = c +jd, then v1 + v2 = (a+c) +j(b+d) only if a) v1 and v2 have the same frequency b) v1 and v2 have the same magnitude c) v1 and v2 have the same phase shift d) v1 and v2 phasors are rotating with the same speed
The below figure shows the waveform of the voltage and current in a purcly inductive AC circuit. Voltage Current Using the voltage phasor as the reference, the current phasor O Is in phase with the voltage Lags by 90° O Leads by 90° Lags and then leads by 160°
2. Make a sketch of two sinewaves as follows. Sinewave A is the reference and sinewave B lags A by 90°. Both have equal amplitudes.
Problem 54: Express the following phasor currents and voltages as sine waves for f = 60 Hz. Notice that all these phasors are given in rms. a. I= 40 A Z20° b. V = 120 V Z10° c. I= 8 x 10-³AZ – 110° d. V = 6000 VZ– 180°
QUESTION 3 An inductor, a capacitor, and a resistor are connected in parallel with a function generator. The inductor draws 100mA RMS, the capacitor draws 150mA RMS, and the resistor draws 200mA RMS. Find the magnitude of the total current. O 450mA RMS O 544mA RMS O 352mA RMS O 206mA RMS
Explain why the phasor and the impedance have the same angle
C. Draw a general sine wave V vs t and I vs t plot for a purely resistive and a purely inductive circuit and show leading lagging parameters and clearly mark the phase difference.
Assum rms for the phase current
Draw the phasor and wave diagram of the following sinusoidal current: I1 leads I2 by 350, I4 leads I3 by 450, I5 lags I2 by 350, I3 lags I1 by 200. Use I5 as reference. RMS values of current are all equal to 40 A.
supply 3. Three circuits A, B and C are connected in series across 350 V supply. The voltage across circuit A is 80 V lagging the voltage by 330 and the voltage across circuit C is 140 V leading the supply voltage by 48°. Determine the voltage circuit B and its phase displacement from the supply voltage using wave and vector solution. across 4. Draw the phasor and wave diagram of the following sinusoidal current:
Prob. I and Vc For the following RMS phasor circuit, a coworker has determined values for 50 Ohms 50 Ohms i,- 225 2253.13° = 190.92 + 254.56 VRMS R1 + R2 Vc = 237.17/26.565° = 212.13+ 106.07 VRMS 100 2 -3Z98.13° =-0.4243 + J2.970 ARMS C -j60 Ohms For this problem provide at least 3 digits of precision for the answers. The results for the following calculations are to be answered in - a) Find the current I b) Determine the real (P) and reactive(Q) power DELIVERED by the source c) Determine the real (P) and reactive (Q) power ABSORBED by each impedance ( resistors R1 and R2, inductor and capacitor). The values for P and Q can be positive or negative. Remember S =P+jQ, so do not include the j with your answer for Q. Each of these answers will require two parts. For the phasor a magnitude and angle will be needed. For the powers, The real power P and the reactive power Q are required.