Why we use Carbon & graphite mixxed brushes in the DC motor?

6 Answers  

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wat is the first thing dat is needed, 2 lay a cable in some area??

0 Answers  

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i have dry type transformers can you help me that how many tests i can do to know the performence of transformer and also please tell me about the BDV test and Insulation resistance test in oil cooled transformers

4 Answers   Hyundai,

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what is the difference between surge arrestor and lightning arrestor ?

6 Answers  

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all the technical question with answers pleas send your email id ramar_eee@yahoo.com

0 Answers   RRB,

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What are the possible causes of REF operation on a power transformer

4 Answers  

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why fractional pitch winding generally used in alternators?

0 Answers   TATA,

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what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 Answers  

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why voltage drop if we have connected 230 v ac suplly through diode to bulbe we found haft ie 110 voltage drop why it is

4 Answers  

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WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

7 Answers   Reliance,

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diffrence between abcb and mocb

1 Answers   UltraTech,

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Why voltge arev transformed in to 132KV/66/KV/33KV like that

5 Answers   HAL,

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