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Light a Bulb Inquiry

Posted on January 1, 2011 by Arbor Scientific

This simple inquiry lab challenges students to light a mini bulb using only a battery and one short wire. Even students who have seen circuit diagrams may be stumped when they have only one wire. Students will also discover how light bulbs are constructed, with a partial circuit that leads from the outer base, through the filament, to the bottom of the base. Their circuit must touch each of the two parts of the base to work.

This post was posted in Labs, Electricity & Magnetism and was tagged with bulb, circuits
Current Electricity

Posted on January 1, 2011 by Buzz Putnam

Students will construct series and parallel circuits with both bulbs and resistors. The lab begins with bulbs, but since taking measurements with bulbs can often be imprecise, the measurement portion of the lab uses resistors and a DC power supply.

This post was posted in Labs, Electricity & Magnetism and was tagged with electricity, circuits, current electricity, DC power supply, lab 95

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