satya phanindra

satya phanindra

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Jul 17, 2012
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Jul 17, 2012
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  1. #Threads

    Convert AC To DC For Electronic Devices Like Mobile Phone?

    to convert a huge a.c. current in to house hold power supply we use transformers. but how to convert a.c. current to...

  2. #Threads

    Why do we use 3rd and 4th group elements in semiconductors?

    why do we use 3rd and 4th group elements in semiconductors?