How does the light bulb work6/27/2023 Strip the insulation off the ends of the piece of insulated wire.Connect one of the battery cap wire leads (color doesn't matter) to one of the contacts on the large light bulb socket and the other lead to one of the contacts on the small light bulb socket (strip the insulation from the ends of the leads if they're not already stripped).1 1/2-inch (4-cm) piece of double-sided foam mounting tape.Plastic or paper bag big enough to hold the light bulb.Drill bits of appropriate size to make pilot holes for screws.Two medium screws to mount large socket.Mounting board, approximately 8 in x 12 in (20 cm x 30 cm) dimensions are not critical-the board just has to be big enough to mount the components.8-inch (20-centimeter) length of insulated wire, 20 or 22 gauge.Socket for flashlight bulb, E10 miniature screw base.Flashlight bulb, 2.25–2.5 volt (for two 1.5 volt cells), incandescent, E10 miniature screw base. Plastic or porcelain standard light bulb socket.If you can find a traditional 100-watt incandescent bulb that isn't burned out, you can use it-see the Going Further section below for a brief discussion of the demise of traditional incandescent filament light bulbs and the role of "rough service" bulbs.Do NOT try to use CFL, halogen, or LED bulbs."Replacement" bulbs for old incandescent bulbs (a 72-watt "replacement" bulb replaces an old 100-watt bulb) will not work-they have a filament, but it is enclosed in a halogen chamber and is not suitable for this activity.
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