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Nalence, Eugene Edward – Physics Teacher, 2022
The measurement of the charge-to-mass ratio, e/m, of the electron is a fundamental part of any study of electricity and magnetism. It is possible to use an apparatus designed to measure e/m for other things, including investigations of electron flow through a near vacuum, measuring a work function, and even exploring some quantum mechanics…
Descriptors: Science Instruction, Science Experiments, Energy, Magnets
Saslow, Wayne M. – Physics Teacher, 2021
Although the phrase "seat of EMF" in describing chemical cells has fallen into disuse, by distinguishing the distinct but incorrect conceptions both of Galvani and of Volta, in favor of the correct view of Faraday, "seat of EMF" it becomes possible (among other things) to understand: (1) why internal resistance really is…
Descriptors: Energy, Scientific Concepts, Physics, Magnets
Fontes, Daniel T. M.; Rodrigues, André Machado – Physics Teacher, 2021
Electromagnetism is a complex topic for students at different educational levels. Perhaps one of the reasons for this is that students are unable to visualize the forces, fields, currents, and other electromagnetism key concepts that are related to the topic. Most teachers address this difficulty by including the use of some technological…
Descriptors: Scientific Principles, Magnets, Science Experiments, Scientific Concepts
Brian Welch – ProQuest LLC, 2024
Science, engineering, technology, and mathematics (STEM) classes are required for families in the United States. Due to this requirement, there have been more STEM focused schools present in the educational landscape. Traditionally a high school offering, middle schools are now developing more focused STEM curricula, opening STEM campuses, and…
Descriptors: Parent Participation, STEM Education, Middle School Students, Parent School Relationship
Álvaro Suárez; Arturo C. Marti; Kristina Zuza; Jenaro Guisasola – Physical Review Physics Education Research, 2024
We investigate learning difficulties among second-year students in electromagnetism courses when they apply Ampère-Maxwell's law. Using phenomenography, we analyzed written answers from 65 undergraduate physics students to four questions on Ampère's and Ampère-Maxwell's laws. We complemented our research by interviewing 12 students. To design the…
Descriptors: Learning Problems, Undergraduate Students, Energy, Magnets
Yeh, Yi-Fen; Dhurumraj, Thasmai; Ramnarain, Umesh – Science & Education, 2023
Developing students' understanding of and about science is an important educational goal. Learning the nature of science (NOS) has been recognized as a critical component of science literacy, affecting how students (our future citizens) make informed decisions. Textbooks can be useful teaching materials if the content presented aligns with…
Descriptors: Scientific Principles, Foreign Countries, Physical Sciences, Textbooks
Chhabra, Mahima; Das, Ritwick – Physics Education, 2023
Electrostatic force is the preliminary and fundamental topic that forms the bedrock on which the conceptual framework of "electromagnetism" is built. Being a 'vector' quantity, electromagnetic force naturally inherits direction as well as magnitude. The conceptualization of such physical quantities may pose a challenge. The present work…
Descriptors: Science Instruction, Energy, Scientific Concepts, Physics
Mary Ann Schloz – ProQuest LLC, 2023
School choice is often utilized in school districts for access and opportunity. Researchers have found that school choice does not inherently provide access to students. The goal of this mixed methods study was to determine if implementing a new platform for families to use in applying to magnet programs in an urban district would mitigate…
Descriptors: Magnet Schools, Educational Policy, Barriers, Urban Education
Saslow, Wayne Mark – Physics Teacher, 2022
This work provides a missing manual needed to understand permanent magnets (also known as "hard" magnets), the only source of "magnetic induction field B" (units of teslas), often called the magnetic field, that students are familiar with when they confront magnetic force acting on moving charges. Students see this magnetic…
Descriptors: Science Instruction, Magnets, Scientific Concepts, Electronic Equipment
Ha, Hyejin; Jang, Taehun; Sohn, Sang Ho; Kim, Junghwa – Physics Teacher, 2022
A solenoid is a coil wound many times on a cylinder of length greater than its diameter. Solenoids are mainly used as electromagnets, because a magnetic field is formed when current flows through a solenoid. The solenoid described in secondary school and university textbooks is a single-layered solenoid. Further, textbooks and papers focusing on…
Descriptors: Magnets, Secondary School Science, College Science, Textbooks
Hisao Fukumoto; Tomoki Kamio; Toshihiro Matsuo; Takayuki Nitta; Hideki Shimada; Masashi Ohchi; Hideaki Itoh – IEEE Transactions on Education, 2025
Contribution: A remote laboratory system for induction motors was developed in this study. By creating an original simulated induction motor, the structure of the motor can be observed, and the current and magnetic flux can be measured safely. Background: Electrical machinery has little appeal to young engineers. Such machinery deals with…
Descriptors: Engines, Laboratories, Distance Education, Computer Simulation
Lincoln, James – Physics Teacher, 2020
It has now been over 100 years since Heinrich Barkhausen published his description of a crackling sound heard when a piece of iron is magnetized inside of a coil wired to a set of headphones, and this phenomenon provided evidence for the theory of magnetic domains. Traditionally, this effect is performed as a demonstration by connecting the coil…
Descriptors: Physics, Acoustics, Magnets, Audio Equipment
Behroozi. F. – Physics Teacher, 2021
The stately fall of magnets through conducting pipes is a favorite classroom and laboratory activity used in teaching electromagnetic induction, Lenz's law, eddy currents, electromagnetic braking, and even Newton's third law. When a neodymium magnet is used, the terminal velocity is reached in just a few milliseconds as the induced eddy currents…
Descriptors: Magnets, Science Activities, Motion, Equations (Mathematics)
Hermann Härtel – European Journal of Physics Education, 2021
The question of whether Faraday's flux law is universal or whether there are exceptions has long been controversial. This discussion seemed to have recently concluded in favor of the generality of Faraday's Flux Law. The present article raises this question again with the aid of some rather simple measurements carried out on a Faraday generator.…
Descriptors: Science Instruction, Scientific Principles, Measurement, Energy
Christoph Hoyer; Raimund Girwidz – Physical Review Physics Education Research, 2024
Vector fields are a highly abstract physical concept that is often taught using visualizations. Although vector representations are particularly suitable for visualizing quantitative data, they are often confusing, especially when describing real fields such as magnetic and electric fields, as the vector arrows can overlap. The present study…
Descriptors: Science Instruction, Teaching Methods, Physics, Scientific Concepts