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

How frequency meter measuring frequency? What is the principle of frequency meter?

2 Answers  

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When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?

1 Answers   MCL, Star Wire,

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hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.

1 Answers  

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why are use star delta startor.

4 Answers  

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i want to estabilish an loss energy storage system,such that it can store electricity lost during the transmission of electricity in conductor,so that this system stores energy lost during transmission and supply it to street lights during night

2 Answers  

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What are the industrial applications of Superhetrodyne Receivers ? What are merits & De-merits of SuperHeterodyne Receivers ?

1 Answers   Airtel,

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What is effect of low pf on HT supply.

6 Answers  

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what is the funda of earthing? Explain breifly about earthing?

5 Answers   IOCL,

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

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can you explain the rms value in simple words....

5 Answers  

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why earth hole size is biggest in plug point?

13 Answers   RRB,

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What is d diff. btw Online & Offline UPS???

4 Answers   Emerson,

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