what objective books are good for preparing for PSU's?

3 Answers   NTPC,

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will we have to design the UPS differently for both i.e. if we want to connect the two batteries in parallel and/or we want to connect the two batteries in series ?

4 Answers  

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a voltmeter shows 100v..wat is to be done to make it read 150v.

7 Answers  

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What is the use of conservater, bucchos relay, breather in a transformer?

8 Answers   Bosch, Wipro, Zadco,

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what is rotating transformer? what is the uses of it?i mean applicaitons?

5 Answers   First Lead,

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What are disadvantages of capacitor

1 Answers  

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FOR 3 PHASE DISTRIBUTION,WHY WE USE ONLY THE VOLTAGE LEVEL OF 440 VOLTS

1 Answers   AITM,

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

0 Answers  

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

0 Answers   DAE,

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how can electricity is produced without water

6 Answers   Bescom,

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who & how the notations given as RYB to 3phase power supply.

1 Answers  

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how do we calculate length of starting time and repeated starting of a direct online starter?

0 Answers  

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