what is the stear deltaprinceple?
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Why we use auxillary relay ? what is function of differential relay, directional o/c relay?
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ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?
what is the difference b/w neutral and ground?
what is the voltages using in movie theaters??? why ??why not other??
List examples of current sources?
Why high voltage lines (overhead ) are called high tension lines?
what is effect of length of air gap on performance of dc motor and generator?
is there interlocking between duty and standby chilled water pumps?
What is a commutator?
in ct secondary one terminal is connected to earth why?
what convarts RRA in alternator ,AC to DC or DC to AC,
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).