In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

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if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

2 Answers  

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practicalLY what is impedence ...?

2 Answers  

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how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

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Define filter?

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why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers  

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Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.

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how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.

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in a three pin socket y the pin of earthng is longer n bigger...?

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ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

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What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,

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what is high pot test on 11kv switchgear and how to apply high voltage on panel what is spheare gap and how to determine its celeberation.

1 Answers  

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