hi, is there a difference in choosing bus bar for DC or AC ,,if there can anyone help me about. thanks

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What are the material used for inductance coil?

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What is an Antipumping relay ?

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1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 Answers   Power Grid,

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How will calculate the current rating (withstanding capacity)of alumunium and copper cables?

1 Answers  

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why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

0 Answers   OGDCL,

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electrical ques

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what is the formula for building wiring to get the main breaker.

1 Answers  

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

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from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

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temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

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which type of motor complete it's one rotation in 30 day's.

2 Answers  

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