What is a differential amplifier? Also, explain cmrr.

0 Answers  

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why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

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why transformer rating is always in KVA

7 Answers   GNG, NTPC,

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What is excitation in case of dc motor?

0 Answers  

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description with working of all parts of a Diesel generator???????

0 Answers   DELL,

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how many bulb of 60watt at 300volt is used to maintain 0.25 amp.with valid reason?

4 Answers   Cords Cable, TATA,

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what are the ''pitting rings''and how cn they be controlled in a series generator

0 Answers  

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where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.

2 Answers  

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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state the functions of different parts of star delta starter.

1 Answers  

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how rated the neutral voltage of transformer and reactor, e.g. 400/220, 200MVA transformer have neutral voltage of 33kv. and reactor voltage 145kv. how this rating decided?

1 Answers   MEIL,

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what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

11 Answers   NTPC, ONGC,

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