what is the difference b/w ground & virtual ground?
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Why arc quenching is used in Diode ?
I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?
why dc supply given to ac alternator rotor
why corona ring is used in out door switchyard lightning arrestor
Why Generator rotate only clock wise ?
why earth hole size is biggest in socket point.
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What is inrush current?
In batteries after completion of charging which colour gas is emitted from it?
which type of capacitor store high amount of energy for long time ? ( polarized or unpolarized )
In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?
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