If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?

4 Answers  

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WHY THE +VE POLARITY OF 48V DC POWER SUPPLY IS USUALLY GROUNDED?

1 Answers   Tulip,

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in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

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I want to know how to calculate the size of electricity cable in building?

0 Answers   DR Engineering Services,

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what is the formular for the calculation of CT'S when installed as part of a electrical installation so the correct meter is used

2 Answers  

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HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

0 Answers  

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HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

0 Answers  

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

0 Answers  

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can we done C.T.sc at output? if yes y,if no y?

3 Answers  

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what r the sizes of CB's? how to select CB's?

1 Answers  

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why CRGO material used in transformer?

2 Answers   Honda, Yazaki,

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howmuch current can carry the 2.5Sqmm copper cable?

42 Answers  

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