can a rotating machine give the DC output without commutator? if yes, how? if no, why?

6 Answers   BARC,

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why ceiling fan give hising sound

2 Answers  

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why we can't use more then 50 hz in india ? Is it possible ?

7 Answers   DVC,

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what is compatible kva for 3300 watts and why

1 Answers   FoodBev,

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Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 Answers  

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Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

0 Answers  

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how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?

0 Answers  

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What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

0 Answers  

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In India which type of PLCC IS used?

2 Answers   Cipla, Ford, Jayashree,

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Percentage losses in power generation?

0 Answers   Nespak, Trimax,

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What are the different sizes of cables for H.T and L.T side of supply?

7 Answers   Bhel, BSES, Karthik Industries, Lanco, Nedco, Shilpa Electrical Engineers, TATA, Torrent Power,

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Describe the test procedure to determine the vector group

0 Answers   MPSEB,

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