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Mitchell, Brandon; Ekey, Robert; McCullough, Roy; Reitz, William – Physics Teacher, 2018
Teaching simple circuits and Ohm's law to students in the introductory classroom has been extensively investigated through the common practice of using incandescent light bulbs to help students develop a conceptual foundation before moving on to quantitative analysis. However, the bulb filaments' resistance has a large temperature dependence,…
Descriptors: Statistical Analysis, Models, Equipment, Science Instruction