Triboelectric Series Using a Simple Charge Sign Checker

Autor/inn/en	Morishige, Hina; Kato, Tetsuya
Titel	Triboelectric Series Using a Simple Charge Sign Checker
Quelle	In: Physics Teacher, 60 (2022) 8, S.667-669 (3 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0031-921X
Schlagwörter	Energy; Physics; Scientific Concepts; Measurement Equipment; Science Equipment; Junior High School Students + Suchen Sie Ihr Suchwort? Energie; Physik; Messinstrument; Junior High Schools; Student; Students; Sekundarstufe I; Schüler; Schülerin
Abstract	Prompt determination of the positive or negative signs of charged objects promotes students' understanding of electrostatics and motivates them to learn more about this field of physics. We developed a low-cost (about US$5) and easy-to-use device for checking the signs of the static charges in objects. It consists of two easy-to-build circuits, one for positive- and another for negative-charge detection. Both are composed of a metal-oxide-semiconductor field-effect transistor (MOSFET), an LED indicator, a tactile switch (momentary contact switch), and a jumper wire. In this paper, we provide instruction on how to build this device. Junior high school students who used it successfully created a triboelectric series by testing various daily-life materials. A free-response questionnaire revealed that the device is highly useful for consolidating students' understanding of static electricity. (As Provided).
Anmerkungen	American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://aapt.scitation.org/journal/pte
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2024/1/01