what is earthing.how we make it,describe briefly.

0 Answers   HAL,

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AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.

2 Answers  

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

10 Answers   NTPC,

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Difference between split ac and cassete ac?

1 Answers  

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what is ground clearence ,what is minimum ground clearence ,i.e present value following in india ,is it changes wit conductor size ,kva rating.surface

3 Answers  

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Why more than 2.5 MVA distribution transformers (secondary is 440V)are not used in india.

1 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 principle of DC machines?

5 Answers   APTransco, NTPC, Wipro,

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What difference between voltage and current

5 Answers  

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what is the exact direction of current? as we know current travels from higher potential to lower potential,so if we take battery +ve to -ve implies current direction is from positive terminal to negative terminal.,whereas electrons flow from negative to positive as they are attracted by positive ions.current will be the plow of charge but not flow of positive ions.please clarify my doubt friends.

2 Answers  

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how system fault level is calculated?

1 Answers   HCL,

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How to maintain ac plant?

0 Answers   HCL,

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