Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

1) describe how will you reverse the polarity of collected E.M.F at brushes of the dc generator?

2) Specify the different parts of the DC machine. Specify function of commutator in the dc machine?

3) describe the phenomenon behind why does the speed of motor dip upon loading?

4)  A 250V dc machine has an armature resistance of 0.25?. If full load armature current is of 40A, determine the induced E.M.F when the machine acts as the motor.

5) A single phase 3000/220V, 50Hz, core type transformer has the square cross section of 0.2 m side. If maximum flux density in core is 1.0T. Determine the number of turns in the HV and LV winding.

6) When the secondary of a transformer is open, why does a primary current flow? describe in detail.

7) Provide the expression of current when two transformers of unequal voltages are linked in parallel.

8) describe what is meant by the CT? Provide some of its applications.

9) prepare down the EMF equation of the PMBL DC motor and describe each parameter.

10)  Provide the application of tachogenerators.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913025

Have any Question? 


Related Questions in Electrical & Electronics

Ohms law problemsquestion 1an alarm clock draws 05 a of

Ohm's Law Problems Question 1 An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance. a) 150 ohms b) 120 ohms c) 60 ohms d) 240 ohms Question 2 If one 9 volt battery is used ...

A neighborhood fuel cell power plant is to be designed fo

a neighborhood fuel cell power plant is to be designed fo an electric output of 2000kwh with liquid water product . Estimate the flow rates of hydrogen and oxygen during peak power production, assuming that 80% efficient ...

1 why may researchers not offer potential participants

1. Why may researchers not offer potential participants large incentives (for example, a large amount of money) to participate in research? 2. In general, how much mental or physical risk is permissible in research? 3. D ...

1 state amperes circuital law2 what are the units of the

1. State Ampere's circuital law. 2. What are the units of the magnetic field intensity vector? 3. What are the units of the displacement flux density vector? 4. What is displacement current? Give an example involving dis ...

Convert each of the following second-order differential

Convert each of the following second-order differential equations into a set of two first-order differential equations (state equations). State which of the sets represent nonlinear equations.

Given the message accbcaab in which the probabilities of

Given the message "ACCBCAAB*", in which the probabilities of symbols are P(A) = 0.4, P(B) = 0.3, P(C) = 0.2, and P(*) = 0.1, a. find the compressed data using arithmetic coding with a precision of 10 binary digits. b. fi ...

The strain energy and work done by applied loads are given

The strain energy and work done by applied loads are given in the following equations. When the solution is expressed by u(x) = c 1 x + c 2 x 2 , calculate the solution using the principle of minimum potential energy.

1 what is the basis behind the construction of the smith

1. What is the basis behind the construction of the Smith Chart? How does the Smith Chart simplify the solution of transmission-line problems? 2. Briefly discuss the mapping of the normalized line impedances from the com ...

A bandpass signal has bandwidth of 5 khz centered at fc 20

A bandpass signal has bandwidth of 5 kHz centered at fc = 20 kHz. Determine the permissible ranges of sampling frequency so that the original signal can be recovered from its samples. Redo the problem if the frequencies ...

1 discuss the phenomenon of dispersion2 discuss the concept

1. Discuss the phenomenon of dispersion. 2. Discuss the concept of group velocity with the aid of an example. 3. What is a dispersion diagram? Explain how the phase and group velocities can be determined from a dispersio ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro