what is ups and inverters. and how to give battery connections for ups.

2 Answers  

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potentiometer : it is null or deflecting instrument

3 Answers   ONGC,

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what is call procedure?

3 Answers   Ericsson,

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what are the conditions of fs=2fm?

2 Answers  

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How output frequency is varied in case of a thyristor?

0 Answers  

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differentiate wired and wireless communication. differentiate co-channel and adjacent channel interference.

4 Answers   Bell,

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In microprocessors, what does the mnemonic SKIP do?

2 Answers   NTPC,

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Name the modulation techniques.

0 Answers  

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What is memristor? How many modes it works? Also what is its advantage? How it differ from others & why the name evolve? & What is its uses?

0 Answers  

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Draw the circuit diagram of 1φ capacitor commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary wave forms?

0 Answers  

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I have 3 phase 25kva transformer how can i connect this transformer to two phase line?

2 Answers  

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why we use -48 power supply dc for Nokia Equipment,what is benifits of that?

3 Answers   NSN,

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