Does the field rotate clockwise or counterclockwise

Assignment Help Electrical Engineering
Reference no: EM13275182

The magnetic field produced in the air gap of an induction motor by the stator windings is given by B=Bm cos(wt-2theta) in which theta is angular displacement in the counterclockwise direction as illustrated. how many poles does this machine have? given that the frequency of the source is 50 Hz, determine the speed of rotation of the field. does the field rotate clockwise or counterclockwise?

Reference no: EM13275182

Questions Cloud

What was his average power output during the race : Every year, there is a foot race to the top of the Empire State Building. The vertical distance traveled (using the stairs!) is about 440 m. what was his average power output during the race
Calculate equivalent effective rate of interest per annum : Calculate the equivalent effective rate of interest per annum for (a) Interest rote of 5% pa payable quarterly (b) Annual discount rate of 7% pa.
Define the advantages and disadvantages of distillation : Eugenol can also be isolated from cloves using extraction with CO2. discuss the advantages and disadvantages of distillation versus CO2 extraction.
What is the initial kinetic energy of the projectile : A projectile is launched at an angle of 34^{\circ} above the horizontal. The projectile has a mass of 1.50 kg and is given an initial speed of 20.0 m/s. What is the initial kinetic energy of the projectile
Does the field rotate clockwise or counterclockwise : The magnetic field produced in the air gap of an induction motor by the stator windings is given by B=Bm cos(wt-2theta) in which theta is angular displacement in the counterclockwise direction as illustrated.
Compute the probability of finding the particle : Normalize the following wave function for a particle that can only exist between theta= 0 and pi. Then calculuate the probability of finding the particle within the range theta= pi/4 and pi/2.
What is lowest filter order that will be needed for response : In designing a low-pass filter for an audio system, the filter stop band attenuation must be at least 40 dB at a frequency that is 2 times the passband frequency. The attenuation in the passband must be less than 1 dB.
What is the average lifetime of for this state : The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state
What does this fact tell us about earths interior : The density of water in Earth's hydrosphere and the density of rocks in the crust are both lower than the average density of the planet as a whole

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Calculate probability of finding an electron of valance band

Calculate the probability of finding an electron at the bottom edge of the conduction band. Also calculate the probability of not finding an electron at the top edge of the valance band.

  Calculate the output for each system for given input

The signal x(t)=10cos(t)+10sin(10t) is input into the following systems: a) \(H(s)=100/(s^{2}+10s+100)\) b) \(H(s)=s^{2}/(s^{2}+10s+100)\) calculate the output for each system.

  Write down the generic form of the convolution integral

For x(t) --> Linear System --> y(t), x(t) = u(t)-u(t-1) and h(t) = 2e^-t*u(t)  Sketch x(t) and h(t) Write down the generic form of the convolution integral Calculate y(t) for t 1, using the convolution integral method.

  Determine what is the total admittance for the given circuit

The total admittance for the following circuit is Hint: YT = G + j[Bc - BL] Siemens; G = 1/R Siemens; Bc = wC Siemens and BL = 1/[wL] Siemens Data: Vin AC = 10 sin 1250t, R = 100, C = 4UF, L = 80 mH

  Design a garage door controller using plc ladder diagram

Design a garage door controller using PLC Ladder Diagram (RSLOGIX 500 PLC SIMULATOR). The behavior of the garage door controller is as follows  there is a single button in the garage, and a single button remote control.

  Find mean square error between model and actual data

Some research data is provided to you for the purpose of learning to use Matlab features of polynomials and curve fitting, file name: mydata You may load the data to your computer by typing mydata =load(‘path of the mydata').

  Calculate the vbi-nd-w-xn and xp

A pn-junction is uniformly doped and has dopant concentration of NA = 4 x10^16 cm-3 in the p-region at 300K. AT zero bias, 20% of the total space charge region (W) is extended in the p-region. Calculate Vbi, ND, W, xn and xp.

  What are the link length limits due to power and dispersion

For achieving a desired error probability, we are given that the receiver requires at least -30 dBm of power, and the maximum pulse spread must be no more than half of the bit period. The transmitted pulse has a spectral width of 0.5 nm, and the t..

  How many clock cycles does it takes to reach location

ASSUME THE NSC HAS A NEW INSTRUCTION CALLED INC (OPCODE = "11") THAT INCRMENTS THE CONTENT OF THE OUT REGISTER; THE INC INSTRUCTION DATA FIELD IS UNUSED. ALSO ASSUME THAT THE LOC INPUT IINPUT IS TIED TO THE COMPLIMENT

  Find the value of the total circuit complex impedance

An input signal of 10V at 0o and a frequency of 1592 Hz is applied to a series RLC circuit with resistor R = 100 ohm, inductor L = 20 mH, and capacitor C = 0.5 F. The value of the total circuit complex impedance is.

  At what frequency is impedance a minimum

A series-resonant RLC circuit has R = 80 (ohms), L=25mh, and C=10pF. A) Sketch and label the circuit. B) Find fo, the resonant frequency. C) At what frequency is impedance a minimum D) What is the magnitude of the impedance at this frequency

  Design finite state machine that starts with even numbers

Design finite state machine that starts with even number of 1s and followed by odd numbers of 0s. Design finite state machine that starts with odd number of 1s and followed by even numbers of 0s.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd