I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

3 Answers  

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pls send previous bhel electrical papers

0 Answers   Siemens,

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What are the protections to be used for Generator?

3 Answers  

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fundamentals of transformers.

5 Answers   Adani,

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Why Powers are named in MW?

1 Answers  

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WHY IS THE NO LOAD CURRENT SMALL FOR A TRANSFORMER COMPARED TO OTHER ROTATING ELECTRICAL MACHINES??

1 Answers  

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What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

0 Answers  

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what is the formula to calculate the distance between one phase to another phase in single phase line and 3 phase line for different volt for example ; 33kv, 11kv ,22kv,230v

1 Answers   Suzlon,

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how we can do the insulation on secondary of ct explain and so that tan delta will within limit

0 Answers  

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which type of A.C motor is used in the fan (ceiling fan, exhaust fan, padestal fan, bracket fan etc) which are find in the houses ?

25 Answers   Airtel, MPPTCL, USSA,

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what is eee?

8 Answers   TATA,

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what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A

1 Answers  

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