How power is transferred from one winding to another in an auto-transformer?
A) electrically
B) magnetically
C( both a & b
D) neither of above

Answer Posted / k.nandakumar

electrically because auto transformer is a single winding transformer. secondary winding is tapped from primary winding.

Is This Answer Correct ?    0 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is auto re-closer?

1984


why does connected a indutor with mnsformeretering core of current transformer ?

1631


When we need up only in o/p 440v, so why we use directly in 11kva in input?

1268


How would you calculate power loss in a resistor?

618


can u please mail me the syllabus for GET exam for damodar valley corporation?

1588






what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

2961


what are the applications of PLC?

1530


WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

1674


Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?

2527


what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

1753


In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

1566


what is the requirement regarding earthing of Single conductor with AWA

1653


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1479


In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

1985


What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

1400