Answer / kavitha

Ac supply will come. because commutator in a dc machine
works as a rectifier.

Answer / mgr

It just works as AC machine.

Answer / archana

purpose of commutator is to produce continue current . if
commutator is placed we gft dc otherwise ac

Differnce between Analog & Digital

1 Answers  

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why we take transformer reading in kva

6 Answers  

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difference between generator and alternator

0 Answers   Havells,

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when 40 watts and 60 watts bulb is connected in series, which bulb glows brightly ?

5 Answers  

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Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

0 Answers   APTransco,

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Please explain how to do 'tan-delta test' on AC generator? and where i get clear and brief detail, give any web page address.

1 Answers  

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why lightining is not available in swith yards?

1 Answers  

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How we can come to know the substation range,without go through any name plate ?

0 Answers   CG,

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Explain marx circuit.

0 Answers  

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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Why capacitor is blow when I am starting motor ?

1 Answers  

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power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

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