What is the general power factor & min. power rating of
TV,LCD type TV, CRt type TV, Scanner, printer?
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How many points can we have in AC Circuit? Show by giving suitable example?
What is load curve?
Explain about p.t?
How to test IR testing & magnetic balance test
what is the resistance value of earthing pit and why they are connected?
Why PS class CT is always preferred for Differential protection?
Define cuttoff frequency?
How to calculate amount of copper used in a motor (AC&DC), generator and transformer? Datasheet provides power rating and mass of the equipment....can we somehow use this available info.
What is relation between transmission lines & Communication lines ?
We have ONLINE UPS 15KvA (3PHASE 440V I/P,3PHASE O/P,440V) I want to step down from 440 to 220 V What to do. Pl. suggest with specification.
how to convert single phase supply to 3 phase or 3 phase to single..?
Refernce currents are to be generated using refernce cueernts how can this be done??