Answer / archie

in single phase only one live wire and 1 neutral wire present

but in 3 phase
3 live and 1 neutral wihere is present
and they are noted as RBY and each having phase sift of 120 degree

Answer / lovekesh

in single phase the line voltage will be 230 or 240. but in
3 phase it will be 440 or 415...

Answer / mahammad

the supply from main supply

why we used -48 dc volt for telecom equipments ?

2 Answers  

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sir please provide me the previous technical papers for hpcl writtien exam

0 Answers  

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Difference between mobile and a cell phone.

0 Answers  

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what is the procedure of a call? MS to MS STD. i want to know about the questions of telecom. plz send me on my mail id. friends also can send me ....... my mail id is suneel.ec31@gmail.com

0 Answers   Lucent,

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the number of factors of 576?and the logic for this question?

0 Answers  

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Myself Mayuri Parekh.I have technical test for ME in LD engineering college,gujarat.plz send me technical questions and also answers so i can practise.plz send me as early as posibble.my wxam will be in MAY 2009.

3 Answers   LD College,

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Describe the working of 3φ fully controlled bridge converter in the rectifying mode and inversion mode. And derive the expressions for average output voltage and rms output voltage?

0 Answers  

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how many type of plc used in siemens automation system.

1 Answers   Electrosteel,

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What is meant by k-map or karnaugh map?

0 Answers  

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what is the frequency of impulse signal?

12 Answers   Bosch,

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how u will measure the polarisation of antenna?

1 Answers   Bosch, Eric,

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Write down the expression for average output voltage for step up chopper?

0 Answers  

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