Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Question
Chapter 8, Problem 8.5P
To determine
The torque on cylinder.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
7.1 Express the current waveform
i(t) = -0.2 cos(6 × 10°1 +60°) mA
in standard cosine form and then determine the following:
(a) Its amplitude, frequency, and phase angle.
(b) i(t) at t=0.1 ns.
3. Consider the RC circuit with a constant voltage source shown in the diagram below. The
values of the resistor, capacitor, and input voltage are R = 50, C = 10 µF, and V = 6V,
respectively. Assume that there is initially no charge on the capacitor before the switch is
closed.
Vo
↑i(t)
R
w
C
When the switch closes at time t = 0, the current begins to flow as a function of time according
to the equation
i(t) = ioenc
Q2. a)
A three-phase 415 V, 4-pole, 50 Hz, A-connected induction motor was
tested. The obtained results are:
(i)
(ii)
No load test 50 Hz:
Blocked rotor test, 10 Hz:
DC test:
Vnl=415 V, Pnl=1200 W, In=11 A
Vbr 10 V, Pbr=1500 W, Ibr=91 A
VDC 3 V, IDC=107 A
Draw the per-phase equivalent electrical circuit of the motor
Draw the circuits for no-load and block-rotor tests and indicate the slip
for each of the tests.
(iii) Identify the motor parameters
(iv) Calculate the motor's starting torque at the rated voltage.
Chapter 8 Solutions
Engineering Electromagnetics
Ch. 8 - A point charge, Q = - 0.3 /C and m = 3 Ă— -10-16...Ch. 8 - Prob. 8.2PCh. 8 - Prob. 8.3PCh. 8 - Show that a charged particle in a uniform magnetic...Ch. 8 - Prob. 8.5PCh. 8 - Show that the differential work in moving a...Ch. 8 - A conducting strip of infinite length lies in the...Ch. 8 - Two conducting strips, having infinite length in...Ch. 8 - A current of-100az A/m flows on the conducting...Ch. 8 - A planar transmission line consists of two...
Ch. 8 - Prob. 8.11PCh. 8 - Two circular wire rings are parallel to each...Ch. 8 - An infinitely long current filament is oriented...Ch. 8 - A solenoid is 25 era long, 3 cm in diameter, and...Ch. 8 - Prob. 8.15PCh. 8 - Prob. 8.16PCh. 8 - Prob. 8.17PCh. 8 - Prob. 8.18PCh. 8 - Given a material for which ℵK = 3.1 and within...Ch. 8 - Find H in a material where (a) fir = 4.2, there...Ch. 8 - Prob. 8.21PCh. 8 - Prob. 8.22PCh. 8 - Calculate values for HO,B0, and M0 at p = c for a...Ch. 8 - Two current sheets, K0,ay, A/m at z = 0 and -K0,ay...Ch. 8 - Prob. 8.25PCh. 8 - Prob. 8.26PCh. 8 - Let đ�œ‡rj = 2 in region 1, defined by 2x + 3y —...Ch. 8 - For values of B below the knee on the...Ch. 8 - Prob. 8.29PCh. 8 - Prob. 8.30PCh. 8 - A toroid is constructed of a magnetic material...Ch. 8 - Prob. 8.32PCh. 8 - Prob. 8.33PCh. 8 - Determine the energy stored per unit length in the...Ch. 8 - Prob. 8.35PCh. 8 - Prob. 8.36PCh. 8 - A Toroid has known, reluctance R. Two windings...Ch. 8 - Prob. 8.38PCh. 8 - Conducting planes in air at Z = 0 and z = d carry...Ch. 8 - Prob. 8.40PCh. 8 - Prob. 8.41PCh. 8 - Find the mutual inductance between two filaments...Ch. 8 - Prob. 8.43PCh. 8 - Prob. 8.44PCh. 8 - Beginning with the definition, of the scalar...
Knowledge Booster
Similar questions
- 4. Consider the RC circuit with a sinusoid voltage source shown in the diagram below. The values of the resistor, capacitor, input voltage amplitude and frequency are R-20012, C-5pF", Vo-10V, and w=500 rad/s, respectively. Assume that the circuit has reached steady state. Vрейте 2 The input voltage can be described using the complex sinusoid function V(t)-Vo and the physical voltage is obtained by taking the real part of V(t). The voltage drop across the capacitor is given by a sinusoid with same the frequency was the input voltage, but a different magnitude and different phase. In complex form, the capacitor's voltage is given by Vc(t)=1+jwRC For the following questions, use the template file Assignment TemplateQ2.m as the starting point for your MATLAB code. (a) (6 marks) Use MATLAB to make a graph that shows the real part of the input voltage source ReV(t)] and the real part of the voltage drop across the capacitor Re[Ve(t)] as a function of time. Choose the time scale so that two…arrow_forwardConsider the microgrid given in figure 8-56. The positive sequence impedance of the transmission Lines is given in -line diagram (figure 8.5%). The system data are as follows: the one PV generating Station: 2MW, 460V. AC, positive, negative and zero Sequence impedance of each line is equal to 10%. The generator negativ Sequence impedance is equal to the positive Sequence, and the Zero Sequence impedance is equal to half (½) of positiv Sequence impedance. Transformers positive sequence impedance is equal to the negative sequence and equal to the zero sequence impedance Station DC/AC CB Acpu bus CB www S+js 5 1+jlo M 2 T2 SB CB A Jus -3+16 local utilityarrow_forwarda) The current drawn by a single-phase converter is represented by the waveform in the figure below. Use Fourier series analysis to determine an expression for obtaining the rms values of the fundamental and the harmonics of the source current. Hence, express the rms value of the fundamental as well as the first three harmonics of the waveform. i(t) Id - Id π 元 b) Fig. Input current waveform of a single phase bridge rectifier A sinusoidal voltage with a peak value of 300 V is applied to the converter in (a) drawing a square-wave current with a peak value of 15 A. Assuming that the zero crossing of the current waveform is 45° behind that of the input voltage waveform, calculate: (i) the average power drawn by the converter, (ii) the form factor (FF) and ripple factor (RF) (iii) the total harmonic distortion (THD%) of the input current.arrow_forward
- Transformer 600 V Transformer L₁ L₂ L3 4 (a) 600 V L₁ L₂ L3 L₁ (b) Figure 3.arrow_forward(2 marks) Using Kirchoff's voltage law: V(t) = VR(t) + Vc(t), show that the voltage drop across the resistor is given by the equation VR(t) jwRC 1+jwRC Voearrow_forwardA ferrite ETD44 core type material is to be used in the converter design. If Bmax = 0.52T, and 350 turns of 1.5x10³cm² copper wire is to be wound around the core material to allow a flow of 5A maximum current, compute for the (a) inductor resistance, and the (b) inductance.arrow_forward
- Don't use ai to answer I will report you answerarrow_forwardPlease show the solution and answers each. Thank you.arrow_forwardA lossless resonant half-wavelength dipole antenna, with input impedance of 73 ohms, is connected to a transmission line whose characteristic impedance is 50 ohms. Assuming that the normalized pattern 000300 30° 90° 1 cos() of the antenna is given approximately by U(0) = 0.866 0 30° <0≤90° Find the maximum absolute gain of this antenna.arrow_forward
- Please show the solution and answers in each. Thank you.arrow_forwardPlease show how to solve this.arrow_forwardA rectangular waveguide with dimensions a = 1.2 cm, b = 3 cm is to operate below 7.5 GHz. How many TE and TM modes can the waveguide transmit? If the guide is filled with a medium characterized by (0-0, &=4, μ=1).arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSON
Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
Programmable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill Education
Electric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSON
Engineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:PEARSON
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Programmable Logic Controllers
Electrical Engineering
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:9780078028229
Author:Charles K Alexander, Matthew Sadiku
Publisher:McGraw-Hill Education
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:9780134746968
Author:James W. Nilsson, Susan Riedel
Publisher:PEARSON
Engineering Electromagnetics
Electrical Engineering
ISBN:9780078028151
Author:Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:Mcgraw-hill Education,