Answer / upenderb

if a dc supply is given to field winding due to inductive effect winding gets shorted and causes damage to the winding So to limit the current high resistance is used.But armature winding has the back emf facility to overcome this drawback

What is the size of a 60 watt and 80 watt tubelight?

0 Answers  

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

2 Answers  

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When motor stater and roter air gap do big then what will moter.

3 Answers   Intas,

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difference between power surge and switching transient

0 Answers  

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What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

1 Answers  

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Why birds seating in HT line does not get shock? If person hangs in HT line (single hand or both hands) does he get shock?

15 Answers   SSC,

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What happen to generator if i have unbalanced load?

0 Answers   Reliance Energy, Sail, TCS,

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where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

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Describe how a salient pole / projecting pole rotor differs from a cylindrical rotor and state the application of each rotor respectively

3 Answers  

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We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

0 Answers   HAL,

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What are the different parts of Alternator and how it works?

1 Answers  

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which theorem is used to analyse fault a)thevinin b)Norton c)Superposition d)jordan

1 Answers   FFC, NTS,

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