transformer

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is it reasonable to constructed a transformer have a size of small batt aa size???i have a nonsense idea that is use a 1.5 volt batt wit that kind of transformer to operate a huge machine by using 1.5v..is it reasonable???so any1 no the estimate cost for that transformer???is my idea only, but donno work or not...plan to invent this crazy thing...advice, view and opinion please??