Answer / visal

..property by which certain amount of excitation remains back in the substance even after the removal of magnets..
due to the hysteresis property of magnetism

What is the effect of earth capacitance

3 Answers  

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why output is out of phase in case of common emitter?

0 Answers  

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What is the different types of cable & current capacity of cable

0 Answers  

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What are the Steps for Testing of 20MVA (make:-CGL) Transformer? How many Test we have to do?

2 Answers   BSL,

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how many types method in earth testing?

3 Answers   ONGC,

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i(1)= j0.5 p.u., i(2)= -j0.5 p.u., i(0) =j1 p.u. What kind of fault it is-- a)l-l ,b)l-l-g, c)l-l-l-g, d)l-g.

2 Answers   Areva,

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how the transmission voltage ranges are decided like 11kV,33kV,66kV,132kV,220kV,400kV,725kV.... why not choose the transmission line voltage as 23kV,164kV,440kV?? what's the reason??

3 Answers  

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how to calculate the capacitor to maintain power factor?

0 Answers   Bosch,

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Diff between power trans and generating transformer?

1 Answers  

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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.

1 Answers  

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what will happen to give a dc supply in ac motor?

2 Answers   ABC, Indian Navy,

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can anyone send me some sample question regarding power grid corp

0 Answers  

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