Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you

2 Answers  

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how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

0 Answers  

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When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

1 Answers  

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Why the Transformer Nuetral is grounded?

10 Answers   Infosys, Khartoum Refinery,

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why the rating of transformer in k.v.a

4 Answers  

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Refernce currents are to be generated using refernce cueernts how can this be done

0 Answers   ABC, Wipro,

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List the time domain specifications.

0 Answers  

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what is cathodic protaction?

0 Answers  

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what is the advantage of NiCd battery over Lead acid battery?

2 Answers   BARC,

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what is the difference between Inverter and ups

1 Answers   L&T, MTS,

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Why earthing is required, and what effect in earthing result is more than 5 ohm and less than 5 or equal to 0 ohm

2 Answers  

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how can you calculate fault level ?

0 Answers  

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