What type of fittings and electrical accessories can be
install in radiation area ?
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how snubber circuit works to protect switching devices?
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
Define working of prim mover governer in alternator?
There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.
why dc supply given to ac alternator rotor
if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?
If ac 230volts inputsupply to full wave rectifire what is D C output voltage.
State magnitude criterion.
what is meant by line voltage and phase voltage in a three phase transformer?
What is the formula to find out cross sectional area of cable for certain current rating?
What are the advantages and disadvantages of the ac motors?
what is the differenc between A.C. and D.C, which is more dangerious?