Answer / k.prakashchandra

As field and armature are in series, the back emf opposes
the voltage across field also, reducing the field
current ,resulting in ever increasing speed

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 Answers   ABB,

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In 3 phase induction motor 1hp current rating is 1.5 amps constant ? is correct or not ?

4 Answers   TATA,

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What happens when the power factor is leading and its disadvantages.

1 Answers  

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why overcurrent fault occurs in power system.

1 Answers  

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what diff. between earth nd neutral?

3 Answers   NTPC,

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For what purpose and why ACBs are used

4 Answers  

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1 Answers  

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why should we have to maintain pf in our site 0.9????????

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0 Answers  

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what is the difference b/c choke and ballast?

1 Answers  

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Hi, what is the temp of bus bar.

1 Answers  

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