hidari01

 

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).

 

TARGET:
Junior high school students (8th Grade).

 

CATEGORY
Physics

 

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

 

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

 

Masahiro Kamata and Takayuki Anayama “Simple equipment for imaging AC”,PHYSICS EDUCATION 38, pp. 286-290 (2003)