Answer / azhar malek

the earth hole is big cause of the resistance if the hole
is small than res. will high and therefore we could not get
much better result, that's why it is kept bigger than phase
and neutral

Answer / mohanraj

to A.senthil Kumar



can u explain this in another way which can be under
standable by every one ok plzzzzzzzzz

hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.

1 Answers  

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What are the tests to be done on circuit breaker?

1 Answers  

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How to calculate the cable size for particular load

2 Answers   Knight Frank,

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how we are measuring the import and export power?

1 Answers  

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what is the use of earthing?

1 Answers   CPCL,

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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What is meant by impedance? difference between high & low impedance ?

0 Answers  

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My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

2 Answers   RIB Software, TATA,

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if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

0 Answers  

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in a large three phase induction motors usually the value of full load slip is

1 Answers   PSEB,

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What is a difference between indoor transformer and outdoor transformer of same rating

0 Answers   Suzlon,

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why we are connecting the alternator to a steam turbine of higher RPM then the rated RPM of alternator? For example:( connecting 1500 rpm alternator to 7600 rpm steam turbine). we can directly connect the same rpm turbine to alternator know??? is there any special reason ???

2 Answers  

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