america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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what is load shedding

4 Answers   KSEB,

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why neutral is required in electrical system

3 Answers   Bhel,

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Name the earthings?

3 Answers   HSL,

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If ac voltage applied to the field of dc generrator the output of dc generator ?

1 Answers   SSC,

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how to find motor contactor rating and bimetalic relay rating? of 30kw motor which will operate on star-delta starter?

6 Answers   HCC, L&T,

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what is difference between 2 pole structure and 4 pole structure in transformer yard

0 Answers   Hospira,

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why ohms law does not obey semi-conducters?

2 Answers  

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what is power factor

4 Answers  

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What is triac?

3 Answers   NTPC,

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what is the transformer

6 Answers  

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At what point crngo works like as crgo

0 Answers  

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