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

0 Answers   Remi,

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what is electricity

4 Answers  

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What are types of central ac plants?

1 Answers   HSL,

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What is the difference between reciprocating & rotary motors in AC units, which is the best one in terms of operation.

2 Answers   MacLellan,

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Why grounding is generally done in supply end?

1 Answers   ISRO, OFBL,

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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What are the commercial names of overhead conductors used in India?

3 Answers   UPSC,

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what isthe emf eqation of a transformer

7 Answers  

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Explain RYB?

21 Answers  

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why we r not earthed Control cable of C.T. terminals

0 Answers   HCC,

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what is the diff.between neutral and earth?

4 Answers  

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Inductor and capacitor........power in one phase and ...... in it another phase.

0 Answers  

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