AC waveform indicator that uses afterimage |
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PURPOSE: This tool is effective when teaching AC waveform. This tool can visualize AC waveform (direction and magnitude). |
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TARGET: Junior high school students (8th Grade). |
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CATEGORY Physics |
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HOW TO USE: 1. Connect to the AC power supply. 2. Swing the tool. |
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REFERENCES It has been sold from NaRiKa Corporation. http://www.rika.com/product/prod_detail1.php?catalog_no=B10-5160 |
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For details see KAMATA Masahiro and SYA Touhei, “Making a Tool to Demonstrate the Waveform of Alternative Current”, Journal of the Physics Education Society of Japan, 55, pp.306-309 (2007) in Japanese |
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Masahiro Kamata and Takayuki Anayama “Simple equipment for imaging AC”,PHYSICS EDUCATION 38, pp. 286-290 (2003) |