we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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why ct ,cvt should be stored in a vertical position?

0 Answers   Balco,

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How to calculate the cable size in sq. mm. when the load is given in KW?

1 Answers  

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The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

0 Answers   Ispat,

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what is the difference between online and offline UPS?

4 Answers   Prestige,

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Why is making current of CB always greater than CB breaking burrent?.

6 Answers   JP Group,

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

0 Answers  

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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What if the difference beween internal and exrteranal LBB?

0 Answers  

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how many frequent start/stop operation possible in case of HT MOTORS.

5 Answers   DVC, Steel Plant,

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What is polar plot?

0 Answers  

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which generator is called as brushless excitation generator and why??

3 Answers  

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