if dc is better then ac...then why we are perfering ac over
dc?eg:at home?
Answer Posted / thirumoorthy
we can step up or step-down the current only in Ac not in
DC.so we are using AC supply in home or transmission systems.
and also it has low loss.
| Is This Answer Correct ? | 10 Yes | 2 No |
Post New Answer View All Answers
Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks
What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?
why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.
WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.
why we use 630mm single core cable for transformer secondary side and why two neutral cable
What is the meaning of loop in transformer
As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.
Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
What is a single phase autotransformer?
Enlist four components of electrive drives.
Explain Energy and Power signals?
how to calculate the change over time for star delta starter for different KW motor?
Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.