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Direct linkZhou, Feng; Cloninger, Todd – Physics Teacher, 2008
Visible light emitting diodes (LEDs) have been widely used as power indicators. However, after the power is switched off, it takes a while for the LED to go off. Many students were fascinated by this simple demonstration. In this paper, by making use of computer-based data acquisition and modeling, we show the voltage across the LED undergoing an…
Descriptors: Lecture Method, Demonstrations (Educational), Computer Software, Educational Technology
Peer reviewedConn, Kathleen – Science Teacher, 1994
Describes a two-week lesson on electric fields that combined lecture, interactive video, lab experimentation, computer spread sheets, and computer-assisted-graphing. (PR)
Descriptors: Computer Uses in Education, Educational Technology, Electricity, Graphs
