What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

0 Answers   Remi,

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

0 Answers  

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A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

0 Answers  

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While connecting bulb in Series/Parallel,there is any difference in glowing

3 Answers  

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what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

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When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

1 Answers  

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whata is battery charger ?how many cells connected for 110v?

1 Answers   Essar,

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

4 Answers   Power Grid, Powerica,

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Define peak time.

0 Answers  

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which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

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what is transformer?

4 Answers   Mphasis,

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