How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.

10 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

0 Answers   Bajaj,

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Where all & Why resistance grounding is required?

1 Answers  

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7. Hrc fuse provides best protection against.......

5 Answers   SSC, UGVCL Uttar Gujarat Vij Company Ltd,

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How much load can give on 1600 kva transformer 11kv/440

5 Answers  

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Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

0 Answers  

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Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

0 Answers  

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explain me how a power factor is improved by adding a capacitor?what capacitor do to improve it?in simple words and in detail?thx

7 Answers  

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Hi ,what the accurate method to set correct(In) over load to protect the 3~ motor

4 Answers  

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when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

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Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?

0 Answers  

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