for high freq ac,why we first convert AC to DC and then DC to high freq.AC

0 Answers  

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which oil used in transformer?

5 Answers  

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In my home i am getting too much electricity bill (more than 4000) but I am very much sure that we are not consuming that much. How i can check this ?

6 Answers  

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why neutral should connect to earth in delta-star type transformer

4 Answers  

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What should be value of Circuit breaker operating time and tripping time?

3 Answers  

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how the aircraft outer body and inner body is separated ?

0 Answers  

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what is the function of an auto reclosure relay in OHL?

1 Answers  

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If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

6 Answers   L&T,

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why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

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Why we didn’t feel electric shock in an electric train ??

10 Answers   NTPC,

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full form of electrical?

0 Answers   CEAT,

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can i able to get bhel previous exam question paper?

0 Answers   Bhel,

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