why one pin of plug pin is longer than other two? In some mobile chargers one pin is made not conducting .Why?

4 Answers  

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why Lightening Arrester Probe sharp at Top of telecom tower.

0 Answers   Reliance Jio,

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On 400 amp factory load how kvarh capacitors provide

0 Answers  

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What are the questions asked in PRDC pool campus test?(bangalore)

1 Answers   PRDC,

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what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

0 Answers  

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why phase plates are used in transmission line????

1 Answers  

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can we synchronize star system generators with delta system transmission line ? and how ?

0 Answers  

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difference between earthing and grounding?

2 Answers   ABB, Bharti, L&T,

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

0 Answers  

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what is ups Paralleling? how is load sharing at that time ? what are the things we have to note that time?

1 Answers  

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What happen when switch yard one pole not tripe when you tripping the breaker

3 Answers   Adani,

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what are the type of motors

3 Answers  

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