JOURNAL ARTICLE

Apply a smartphone's magnetometer to measure the AC current of electrical equipment.

  • Published In: Physics Teacher, 2025, v. 63, n. 2. P. 130 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Vongvizay, Pathom; Udomsamuthirun, Pongkaew; Ruangrungrote, Siriluk; Nilkamjon, Tunyanop; Meakniti, Suppanyou; Kruaehong, Thitipong 3 of 3

Abstract

The article explores the practical application of using smartphones equipped with magnetometer apps to measure the AC current of household appliances. By eliminating background magnetic fields, researchers were able to establish a linear relationship between the magnetic field and electric current, aligning with Ampere's law. The study demonstrates how smartphones can be used to directly measure AC current based on this relationship, providing a practical tool for merging abstract physics knowledge with real-world experiments. The research was conducted in Thailand and received financial support from The Royal Thai Government Scholarship under the Thailand-Laos PDR Bilateral Development Cooperation. [Extracted from the article]

Additional Information

  • Source:Physics Teacher. 2025/02, Vol. 63, Issue 2, p130
  • Document Type:Article
  • Subject Area:History
  • Publication Date:2025
  • ISSN:0031-921X
  • DOI:10.1119/5.0233097
  • Accession Number:182477825
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