there is any circuit to convert 3v dc to 12v dc or else i need to convert 3v dc to 40w ac. pls help me?

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Yes, its possible, but usually avoidable. What are you trying to do ?
chassisdeepak (author)  steveastrouk4 years ago
just for my project..... i need it for a one hour to make a demo.. can u help me by giving circuit diagram.... pls.....
Power requirements ???
chassisdeepak (author)  steveastrouk4 years ago
power requirement means i cant understand...... at the en of the output i want to connect a tube light....... thats all. the input is 3 volts 150 milli amps.......
So you need 12V @ 37mA ?
I'm going to go ahead and presume he wants to use 2 AA batteries to power a 40 watt device. It will end in tears. :(
It will end in tears. :(

Albeit very, very brief ones......