why do transformer humm ??????????

2 Answers  

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What is the name of the winding to which supply is given?

0 Answers  

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Please explain me abt PQ diagaram in the power sector.

0 Answers  

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why we are 0.8 power factor only?

1 Answers   Suman Industries,

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What are the specific gravity of fully charged and fully discharged lead-acid battery?

1 Answers   Mukand,

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WHY IS THE SIZE OF HOLE OF THE EARTH POINT IN THE PLUG POINT BIGGER THAN PHASE AND NEUTRAL

7 Answers   Jindal,

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what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?

0 Answers  

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What is the difference between MCB and Earth MCB? What is the working principal of MCB?

2 Answers  

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What will happen if " not connecting the neutral point to ground of diesel generator output (380 V)", also if someone touched one phase without isolation from ground during the A/M condition what will happen to him?

3 Answers  

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Why the arms of delta in a delta-wye power transmission system are kept constant??

0 Answers  

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I do wonder why current is present in neutral wire?i check single phase lead current feeding air conditioner...on its phase its current was 10A while same was 10A in neutral...as we know in neutral voltage is zero so if voltage is zero then how current appears on amp meter? my second observation is (just imagination)when I touch phase wire it give me shock but when i touch neutral nothing happens although as above its carrying current(amps) third but with same logic...as in simple Alternate current sine curve there is + and there is negative peak.means every time phase changing so how come every time same phase and same neutral stand (pardon for english mistakes)

1 Answers  

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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