Answer Posted / ashok bhatnagar
The core vibrates at the frequency of supply and therefore
produces sound due to phenomenon of magnetostriction
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
what is meant by impedance & transient protection?
Explain the working principle of Synchronous Generator and Assynchronous generator?
What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?
what is meant by poly phase induction motor ? how its operating by single phase or three phase?
Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?
Why do not we prefer non conventional sources of energy to conventional sources?
what is the function of bearing in dc mchine" and where it is placed
HOW TO WORK A VFD?SAY SIMPLE METHOD
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
what do u understand from filter factor of reactor?
What is George phenomena to start the synchronus machine?
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?
How it can worked plc based electrical system And which type of software using.
List some examples of renewable energy?
What is the name of transformers oil filteration equipment?