Answer / abiodun ogunnaike

The purpose of earth electrode is to induce a return energy or current through external body via the ground. this to ensure no damage occur to the appliances during high current surge or short circuit reaction.

why permanent magnet generator have higher frequency of 400hz

3 Answers   Jaypee,

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What are the various methods for effecive earthing in a factory in a rocky terrain, where soil resistivity is extraordinarily high? The usual method of 3 m deep earth pits is not serving the purpose.

4 Answers  

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what the principle of sincroscope?how it works?when it needed?

0 Answers  

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what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

1 Answers   CESU,

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The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

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How can identify meter AC or DC without use of symbel?

4 Answers  

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why do we lay up the core of a cable?

0 Answers  

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application s to shunt coil

0 Answers  

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What is the difference between "Earthing" and "Neutral"?

10 Answers   Power Grid,

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why the insulators are in cofee colour???

4 Answers   Visa Steel,

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How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 Answers  

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what happen when we add mentos in cold drink?& why?

0 Answers  

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