how to design an ups and battery connections for ups .

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why the value of 3db down point is 0.707??

2 Answers  

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the pic micro controller have internal oscillator but why we use external oscillator

6 Answers  

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2. What is the command to lock the TRX

0 Answers   NSN,

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What does the voltmeter in ac mode show? Is it rms value or peak value?

0 Answers  

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please tell me wat types of technical questions will be asked in Alcatel lucent. and suggest me which site to view

0 Answers  

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What is an extended cell? How does it impact the system? Channels and TDMA structure

1 Answers  

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In 8086 why even address location takes two bus cycles whereas odd address location takes only one bus cycle??

2 Answers  

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What are the applications of demultiplexer?

0 Answers  

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I AM APPERING FOR RRB EXAM FOR SECTION ENGINEER I REQUEST U TO PLZ FORWORD THE PAPER PATTERN AND EVEN PREVIOUS QUESTION PAPER to stamil230@gmail.com

0 Answers   RRB,

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What is meant by input power factor in controlled rectifier?

0 Answers  

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what is call procedure?

3 Answers   Ericsson,

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