Exploring Series and Parallel Combinations of Capacitors by Inquiry
Using lightbulbs and batteries for qualitatively examining resistive combinations has a long and venerable history. There is, however, no similar body of work that explores combinations of capacitors ...
Don't Zap that Light Bulb!
Children are often told by their parents not to play with the light switch because every time a light bulb is switched on and off, it costs an extra penny. However, the life of a light bulb under repe...
T. J. Bensky California Polytechnic State University, San Luis Obispo, San Luis Obispo, CA
Thispaper provides a brief introduction to using ray-traced computer graphicsfor creating illustrations to be used in physics teaching. Thearticle focuses on Povray, a freely available ray-tracing software program.We have found that a ray-traced illustration produced with thissoftware provides a final-image quality that is far superior tohand-drawn illustrations and those produced using standard click-and-draw computer drawingsoftware. Techniques for illustrating time-dependent scenarios are discussed as well.
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