why the carbon brushes are used heat created rotating parts in eiectricity

1 Answers  

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What happens if ac is applied to dc systems and vice versa?

5 Answers  

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How many earthings are required for motors?

3 Answers  

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What is RSS Meter

0 Answers   Krishna Constructions,

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how to convert the KVAR to microfarad??????????????????

2 Answers  

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What are Contactors? How they works and what its highest rating?

0 Answers  

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why dc motor runs slowly when dc supply is given?

2 Answers   L&T,

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purpose of check value

1 Answers   Seagate,

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How to use computer cpu ups use for home inverter circuit board

0 Answers  

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what will happen at secondary side of transformer if i increase voltage at primary side?while V1*I1=V2*I2 will secondary voltage or current increase?

2 Answers  

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How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

0 Answers   ABB,

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what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

0 Answers  

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