How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 Answers  

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What is the differance between Digital Energy meter & Static energy meter? why the KWH diferance between both meters.

3 Answers   Raychem RPG,

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transformer losses

1 Answers  

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how to calculate the MF in meter reading

2 Answers  

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Now I inject 1kv DC supply r&y=??? R&Y=?? Y&B=?? B&R=???? RYB&N=??? RYBN&E=????? Minimum value====???????

1 Answers   Integra,

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What is the purpose of reactor.why we used in over head line?

2 Answers  

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Why inductors are installed in electrical circuits?

0 Answers  

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Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

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Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

0 Answers  

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DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

0 Answers  

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Why use the vcb at high transmission system ? Why can’t use acb?

0 Answers  

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