Answer / vishwatheja1989

it is dangerous to motor(it may burn) and supply(large current flow) as induction motor must have a shorted rotor(closed winding). if it is opened and give the supply it acts like static transformer.

sir i have applied for isro-09. still i did not got the HALL TICKET.

2 Answers  

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what is laser diodes?

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why is the earthing pin on 3 pin top are big and thick

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To avoid arcing what we connect in earthing.

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

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why we are grounding the neutral?

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what will be efficient rating of ac motor to lift a 10 kg wt of stone to 10 meter height with input 220V AC 50 Hz frequency???

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

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WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

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