what is skin effect and why is it absent in DC systems

4 Answers  

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why the emf of a cell more than the terminal voltage when the cell is delivering current?

4 Answers  

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What is transformer tap changers please explain

3 Answers   Feedback Venture, Sail,

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1.Why we use choke?If we use for high starting voltage then different type choke gives different voltage. Is it correct?

2 Answers   Dalkia, Luminous,

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how to select cable size?

7 Answers  

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what is Aircraft earthing and what does it do?

6 Answers  

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wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

0 Answers   FLS,

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what is saturation kit?which use above 15 kw motors panel side.

0 Answers   Power Grid,

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I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.

5 Answers   IOCL,

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I need HT sphere gap calibration table. Can any body help me.

0 Answers  

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1.differance between onload ups and off line ups.

1 Answers   CTS,

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In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?

11 Answers   BSES, Electrical, L&T, PSIT,

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