Guest guest Posted December 30, 2008 Report Share Posted December 30, 2008 I remember many years ago I took two flashlight batteries and wired them so the plus sides were connected and the two negative sides also connected after putting a a bulb in the circuit., in other words in series and when conected to the flashlight bulb it lit up very brightly. Because there were 3 volts instead of one and a half. I recently tried this with two c batterys and the bulb did not light up at all! The bulb lit up fine in the normal configuration but not when the batteries were wired to give 3 volts. It did not work with two used batteries and I got two new c batteries and it still did not work. Can someone explain? I need 3 volts DC for two interesting projects and I was using the bulb to test the circuit. But why does it not light?. Trevor Quote Link to comment Share on other sites More sharing options...
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