Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Consider an elementary three-phase, four-pole alternator with a wye-connected armature winding, consisting of full-pitch concentrated coils. Each phase
coil has three turns, and all the turns in any one phase are connected in series. The flux per pole, distributed sinusoidally in space, is 0.1 Wb. The rotor is driven at 1800 r/min.
(a) Calculate the rms voltage generated in each phase.
(b) If a voltmeter were connected across the two line terminals, what would it read?
(c) For the a-b-c phase sequence, take t = 0at the instant when the flux linkages with the a-phase are maximum.
(i) Express the three phase voltages as functions of time.
(ii) Draw a corresponding phasor diagram of these voltages with the a-phase voltage as reference.
(iii) Represent the line-to-line voltages on the phasor diagram in part (ii).
write a short notes on hardness
Q. Classify switching systems. In what way is stored program control superior to hard wired control? Ans: Classifications of switching systems are givenin block diagram belo
Collector-to-base bias: Figure: Collector-to-base bias This configuration uses negative feedback to avoid thermal runaway and stabilize the operating point. In th
Define a voltmeter A voltmeter is an instrument used to measure p.d. and must be linked in parallel with the part of the circuit whose p.d. is required.
Production of Rotating Fields from Single-Phase Windings In this subsection we show that a single-phase winding carrying alternating current produces a stationary pulsating flu
dc to ac converter by IBGT
Q. A filter is a network employed to select one range of frequencies while rejecting all other frequencies. A basic building block often used in integrated-circuit filters is shown
Ans) A program runs on one machine and implements on another is known as cross-compiler Programs which compile on One Machine and implements on another machine is known cross
Classify the following signals as energy signals or power signals. Find the normalized energy or normalized power of each. a. ? ? , 0, 0 0, at Ae t a x t elsewhere
Q. Explain the ideal drain characteristics of the JFET? The JFET consists of a thin layer of n-type material with two ohmic contacts, the source S and the drain D ,along with t
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd