Answer / wareagle

If you are buying a fixture with an electronic ballast, the
losses are close to zero.

Answer / k.prakashchandra

Equal to I^2xR ( resistance of ballast )

what is the working principle of energy saver control panel. please give the complete calculation & theory.

0 Answers   Lupin,

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How to determine earth fault level to set relay for a normal distribution system of 11 kV , 100 A load????????

1 Answers   TCS,

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if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

0 Answers  

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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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what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

0 Answers  

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Is neutral transformer can be called as control transformer?

0 Answers  

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What are chief characteristics of state-space method and its techniques ?

0 Answers   Limton,

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can we individually produce electriciyt

1 Answers  

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What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.

1 Answers   Anna University,

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TRANAFORMER RATING 500 KVA,33KV/433, SECONDARY SIDE SWITCHED ON ONLY CAPACITOR LOAD 140 AMS, PRIMARY SIDE HOW MUCH VOLTS INCREASE?

1 Answers   BPL,

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How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

0 Answers  

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What is the diff. between single compression and double compression gland

0 Answers   ASL,

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