Why do we perform an open-circuit test and short-circuit test on the transformer?
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what is the function of a commutator in a dc generator?
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How earthing/grounding done in aeroplanes and ships.
what is meant by phase &line voltage, how its differ from each other ?
explain different types of d.c motors?
How can we calculate the Rating of DG Set for a 4 kw motor?
1.stranded resistance values of motors? 2.how to calculate the resistance values of single phase and 3phase motors?
WHAT IS EDDY CURRENT LOSSES AND SKIN EFFECT LOSSES IN ELECTRICAL ENGINEERING
What is mean by hormonics?
why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?
are there rmu for 3 transformer?
What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.
Why RCD trips on connecting to one Socket but not trips one other circuit on same RCD.