Why is back emf used for a DC motor? Highlight its significance.

0 Answers   ABB,

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What is the maximum and minimum rating of UPS?

0 Answers   Indiabulls,

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1 hp is equal to how much watt?

0 Answers   Blue Star,

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what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

0 Answers  

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can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

0 Answers   NTPC,

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Why the airgap of an induction motor is less compared to that of a synchronous machine?

4 Answers   MGVCL, RRB, WebTech,

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

0 Answers   TATA,

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what is the differance between MC61C and MC61A relay of L &T make.

1 Answers   BARC,

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what is CRGO Transformers?

6 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd, TATA,

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1 ph induction motor winding priniple and connection diagram?Similarly for 3 ph induction motor?Full description

0 Answers  

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what is meant by magnetic flow meter ? explain its working principle ?

1 Answers  

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what is the IS foe lightning arrester?

0 Answers  

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