Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

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How to make vector group test of transformer?

2 Answers  

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You are of electrical field and you are going for software? Why

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what modulation is used in landline telephone signals?

2 Answers  

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how to distinguish between ac motor and dc motor without seeing name plate of it.only seeing its getup look

3 Answers   Nahar, Siemens,

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when we megger is not damaged when we are measuring very low resistance? high d.c. voltage is produced in megger so according to i=V/R. current will be high so what is the reason ?

1 Answers  

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how the grounding[earting] is achieved on ships.

1 Answers  

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Why HT motor of 3.3 kw or 6.6 KV, one side foundation ( mostly non drive end ) keep insulated from ground ?

2 Answers  

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while checking the flourscent tube elctrodes some glow is cominag. this type of glow tube working or not working

1 Answers  

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voltage at generation stage is usually- ? a.11kv b.33kv c.66kv d.220kv

12 Answers  

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hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

0 Answers  

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How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

0 Answers  

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