how an electron flow in a wire. can it flow like a car running on the road?

2 Answers  

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why earthing point in the 6amps/16amps socket bigger than the remaining (Phase & Neutral)points.

1 Answers  

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What does the kvar means?

0 Answers  

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how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

0 Answers   MRF,

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What is a differential amplifier?

0 Answers  

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

0 Answers  

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What is PQA???Applications........

0 Answers   Emerson,

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What is mean by Power factor

5 Answers   Fenner,

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hw to calculate flc of motor ? data are:3-phase,50Hz,30kw

6 Answers   BRG, Reliance,

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What is nichols chart?

0 Answers  

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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