How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

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why core is useful for a transformer ?and also in its operation ?

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What type of fittings and electrical accessories can be install in radiation area ?

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What is mean by retrofitting of machine tool please brief.

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dear all, can any body explain that how to select an induction motor for a specific mechanical load(inertia). is there any formula or calculation then please give me. i shell be very thankful to all of you. Thank,s and Rgard,s.

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where does core based current transformer is used? and what is the value of lux in a work station?

1 Answers   Space Matrix,

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c++ write a program to use a fuction call "max"which accepts an intger arrey of size5.as an arrument and return the larger and smallest of the arrey to main without changing. the original changing of the original position of the element of the arrey.

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load increase means 1 resistance increase 2 load resistance decrease 3 current increases through load 4 none of these

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which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

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How can you measure battery AH?

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Why the output of OP-AMP is always less than Vcc?

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What is the breakdown voltage?

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