Why do you get a typical sound when the transformer is put into operation?
- 4 Answers
- 6669 Views
- IIT, I also Faced
- E-Mail Answers
Answer Posted / nilamani umashankar jena
it is due to magnetostriction of core.if you want to know
what is magnetostriction then go back to wiki.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
11 kv input, 66 kv input advantages
1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve
What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?
How earthing/grounding done in aeroplanes and ships.
what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?
I want single line diagram for AMF & DG syncronizing panel
At what factor resistance r of a conductor depends?
we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
what is the prinsiple of dc motor and construction and working ,application of dc motor.
what is the purpose of high speed earth switch in gas insulated substat
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?
What is the difference between diode and a transistor in terms of the direction of current flow?
what is kondo syatem in eletrical traction
