why DC motor body is plain cover but AC motor is different like finse?

2 Answers  

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in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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Differentiate between real and apparent power?

0 Answers  

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in 6.6 kv vaccum circuit breaker vaccum bottole vaccum capacity ????

0 Answers   Divis Laboratories,

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ohms law aplicable

16 Answers   APGenco,

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hi pot test principal

1 Answers   NTPC,

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Disadvantage of leading power factor

3 Answers  

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if the supply frequency increases what happens to the motor load

2 Answers  

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why the impedence of the transformer is expressed in percentage?

3 Answers   DEWA,

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what is the difference between ac and dc generator

14 Answers  

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what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

0 Answers  

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how can alculate the apfc panel rating?

3 Answers  

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