What is main purpose of chock coil and starter in florescent tube ?
Chock coil for limiting current while starter for providing high voltage spike at starting
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I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
What will happen if the generator turns in a wrong direction?
why transformer rating is in kva?
What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?
How the FM200 Gas Supression System wil Work????
Is Neutral earthing necessary for single phase system or Genset? if yes or no then why?
Why iron core transformers not used in high frequency applications ?
why substation ratings are multiple of 11 means 11\33 kv substation
working method of railway electricl loco in single wire 25000 volt
what is the mager value of star motor and delta motor between phase to ground and phase to phase, and minimum how much should be value ?
what is the sludge current
In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.
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