Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


what is meant by Back emf ?where its occur ?

Answers were Sorted based on User's Feedback



what is meant by Back emf ?where its occur ?..

Answer / manjunatha

the voltage generated due to the raotation of armature is
called back emf and it tries to oppose the terminal voltage.

Is This Answer Correct ?    18 Yes 3 No

what is meant by Back emf ?where its occur ?..

Answer / alvin

back emf refers to the opposing voltage
induced in a motor when motor is
connected to a supply this is as per faradays
law , whenever a current carrying
conductor cuts magnetic field an emf is
induced in it, and is in opposite direction as
that of applied field...

Is This Answer Correct ?    5 Yes 0 No

what is meant by Back emf ?where its occur ?..

Answer / jayan

Back emf is regeneration in dc motors

Is This Answer Correct ?    5 Yes 1 No

what is meant by Back emf ?where its occur ?..

Answer / harekrushna sahoo

`back emf is happen in case of d c motor.it working to
oppose the terminal voltage.

Is This Answer Correct ?    12 Yes 9 No

what is meant by Back emf ?where its occur ?..

Answer / kapil bahadure

Back emf :-DC motor connected to supply then magnetc flux
produced by armature windings.this magnetic flux oppose to
the supply voltage.its denoted by eb.7 also colled as
counter emf.eb occur in the dc machine.
eb=-V-IaRa.

Is This Answer Correct ?    6 Yes 3 No

what is meant by Back emf ?where its occur ?..

Answer / srinu

back emf is produced in all motors due to rotation ,motor act as generator and produce emf ,this emf is oppose the applied voltage,this is called back emf,this is directelly propostionl to rpm

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

what is interpose? where it is used and why it is used?

0 Answers  


What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers   Siemens,


In electrostatic precipitator why positive terminal of tranformer rectifier unit is grounded?

2 Answers  


why is the transmission voltage is multiple of 11?

1 Answers   HAL,


can anyone tell me the website for star-delta control diagram?

1 Answers  


Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.

2 Answers   Bhel, Power Grid,


If Three Runs of 1Cx300 Sqmm Cable between Transformer and VCB and the distance between 100mtrs. what will be total length of Cable and if cost 1500Rs per meter,what would be the total cost

1 Answers   ANITS,


in delta connection, why motor rotate in high speed compared to star connection?

2 Answers  


What is the Diference between DYN 11 and DYN 5 .How to change the Vector group from DYN 11 to DYN 5.

3 Answers  


what are trouble functions of transformer?ex. prv trip,oltc,oti,wti.explain detail.

1 Answers  


What is the fault or needs to be done when frequency in ac drives is not changing?

0 Answers  


why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?

6 Answers   Accenture, Bhel, Reliance,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5086)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4456)
  • Electrical Engineering Interview Questions Electrical Engineering (16639)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)