Answer / dhiren

MOST OF GENERATOR ARE AC SO BUT AS PER QUESTION I COULD BE
DC TOO IF GENERATOR IS DC!!!!!!!!!

Answer / antaratara ghosh

AC

how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

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what happend if we remove dc exciter from moving machine..: gg

4 Answers  

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what are advantage and disadvantage of zener diode?

2 Answers   Infosys,

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How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

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why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 Answers  

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how much rating of fuse and MCB should be used for a load consisting of 6KW and 18KW inductive load?

1 Answers  

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sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com

0 Answers  

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How much width of the land shall have to be left below the EHT line of 440 kv as per the rule. i am told that a corridor of 35 M width is to be left free below 220 kv line. please confirm

1 Answers  

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In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

4 Answers   Bhel, IBM,

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pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

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What is harmonics and how the 1st,2nd,3rd etc harmonic levels

2 Answers  

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how would you determin the horsepower of a motor without a nameplate

3 Answers  

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