Answer Posted / 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 |
Post New Answer View All Answers
I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.
What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?
what is mean by Digital Logic Meter (DLM)
Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?
How to decide and select the different earthing wire size for the different types of earthing
What is the necessary condition for stability.
Why 3 phase induction motor getting supply in body if one of it's phase is cut
How to calculate phase to phase difference ?
what is the differences between microprocessor and general purpose computer
hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....
how can we make cable shedule for controll wiring ? which details must be required for it.?
What is the minimum underground tank size capacity considered for firefighting purpose?
EXPLAIN THE TRANSFORMER MAINTENANCE?
How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?
how the CT and PT is connected in the circuit during testing of transformer explain with diagram
