Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

0 Answers  

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how can I check HT cable ?

2 Answers  

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers   IAG Automation, REL,

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WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

4 Answers  

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How to calculate the lighting load & power load requirement by knowing area of building/room. Is there any thumb rule?

3 Answers  

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can u tell the difference between star-star transformer and delta to delta transformer.

3 Answers   Videocon,

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why the weight of oil in transformer is specified (on the nameplate) in litres as well as kilo grams?

3 Answers   Reliance,

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when ur using single phase type of load for a 3.5core power cable .Why neutral is .5 and how much current in the neutral if we consider neutral as a reverse path for three phases.

2 Answers  

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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what is different between auto transformer and vriac

4 Answers  

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howmany electrician should maintain for a 1000 kva used plant... in kerala..

0 Answers   Godrej,

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how to find the transformer effiiency

3 Answers   Bosch,

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