Explain why 440 volts instead of 660 volts in 3 phases of supply system?

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hi friends, i have applied for oces 2010. can u give me a brief idea about the entrance exam which is gng to be held on may30th.Is the exam of technical or it includes aptitude? i am from ece stream.pls mail me at navinmsl@gmail.com

1 Answers  

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which is the best site to know about electronics for study

0 Answers   Wipro,

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what is IP 68 & IP 66?

2 Answers   Ecil, ONGC, TCS,

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How to Create the Node file with Multi Dropping

0 Answers   NSN, TCS,

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what is the Reverse Address Resolution and why is it important today's internet..

1 Answers  

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what does d-flip flop stand for?means what is d there?

13 Answers  

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Why temperature coefficient of resistance of a semiconductor is negative?

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What is a resistor?

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What is the difference between latches and flip flop?

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what is meant by overloading of op-amp?

3 Answers  

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WHAT IS THE ELLIGIBILITY FOR ADMISSIONS IN NITS

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