what is the difference b/w earthing and grounding??

2 Answers   Dodsal,

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what is the concept of star delta starter?

7 Answers  

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What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

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Why a transformer is known as a static device?

7 Answers  

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considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 Answers  

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how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

1 Answers   Bhel, Wartsila,

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What should be distance required in between two phase of HT cionductors in open area??????

3 Answers  

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what are the main differences of delta and star connection

5 Answers   Essar,

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What is I/P converter?

1 Answers   RRDonnelley,

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In a circuit the power factor was leading what will happen?

2 Answers  

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What are the two basic types of transformers?

0 Answers  

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can anybody sent me power grid questions. what subject should i prefer for preparation?

0 Answers   Reliance, Vascon,

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