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Showing 1 to 15 of 165 results Save | Export
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Haertel, Hermann – Physics Teacher, 2022
The question of how the processes around the Faraday generator with its rotating magnet should be interpreted has been controversial since its discovery by Faraday. Does the magnetic field rotate together with the rotating magnet or does it remain stationary? Furthermore, does one only need Faraday's flux law to interpret inductive processes, or…
Descriptors: Science Instruction, Physics, Laboratory Equipment, Magnets
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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
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Härtel, Hermann – European Journal of Physics Education, 2020
In the light of own measurements on a Faraday generator, the well-known theories concerning Unipolar Induction and the Faraday paradox seem to be problematic. On the other hand, all results obtained, and all other processes described as a paradox in connection with the Faraday generator can be explained without contradiction based on the theory of…
Descriptors: Magnets, Physics, Theories, Scientific Concepts
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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
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Rojas, Roberto – Physics Teacher, 2022
In one of the Faraday's experiments an electric current is induced in a conducting loop when a magnet in front of it moves towards or away from the loop. While the direction of circulation of the electric current in the loop has only two options, it depends on three experimental conditions that generate eight cases. Even though the Faraday law or…
Descriptors: Energy, Magnets, Science Experiments, Scientific Principles
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Emden, Markus; Gerwig, Mario – Science & Education, 2020
Michael Faraday is considered one of the greatest science lecturers in history. He popularized the Christmas Lectures as a format of science communication that has survived until today in the Royal Institution of Great Britain. Especially, his "Chemical History of a Candle" has become a classic of science communication that has inspired…
Descriptors: Science History, Science Instruction, Science Experiments, Scientific Research
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Bozzo, Giacomo; Michelini, Marisa; Bonanno, Assunta; Stefanel, Alberto – EURASIA Journal of Mathematics, Science and Technology Education, 2022
We report a research-based proposal on electromagnetic induction within the theoretical framework of the Model of Educational Reconstruction. The proposal is based on a sequence of inquiry-based experimental activities centered on hands-on materials and "Real-Time" quantitative experiments, through which students explore the…
Descriptors: Science Instruction, Science Experiments, High School Students, Secondary School Science
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Lummis, Geoffrey W.; Boston, Julie; Mildenhall, Paula; Winn, Stephen – Australian Journal of Teacher Education, 2021
This ethnographic study reports on the findings from seven English secondary schools that participated in Project Faraday. The project was funded by the Department for Children, Schools and Families to build innovative learning environments to encourage students into upper secondary inquiry-based STEM. Despite the innovative classrooms, the…
Descriptors: Foreign Countries, Secondary School Students, STEM Education, Inquiry
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Ha, Hye Jin; Jang, Taehun; Sohn, Sang Ho – Physics Education, 2022
In this study, we derived several formulas for the currents induced in a circular loop by a magnet connected to a spring-based simple harmonic oscillation system. In addition, we conducted an experiment for measuring the induced currents and compared the results with the theoretical prediction. It was confirmed that the prediction from the derived…
Descriptors: Science Instruction, Magnets, Motion, Laboratory Equipment
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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
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Berger, Roland; Lensing, Philipp – Physics Teacher, 2023
In physics education, the topic of electromagnetic induction is an important but also challenging topic for many students. The early introduction of formulae, e.g., Faraday's law of induction, seems to hinder rather than to foster the understanding of the topic's underlying principles. In this paper, we present the basic idea for a teaching…
Descriptors: Teaching Methods, Magnets, Physics, Computer Simulation
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Médjahdi, Kader – Physics Teacher, 2019
Measuring magnetic induction is occasionally performed by our students during their academic training in physics. Among the various methods used to measure it, the Hall effect is the most common and widespread. Another way consists of employing an electronic flux-meter. It is constituted by a small flat coil (SFC) connected to the input of an…
Descriptors: Magnets, Physics, Science Instruction, Teaching Methods
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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
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Ackerson, Bruce J. – Physics Teacher, 2019
Electromagnetic induction, represented by either Faraday's law or the Lorentz force law, produces many paradoxes requiring careful examination and application of these laws. The paradoxical example of induction, presented herein, arose in a class and is resolved within the framework of special relativity.
Descriptors: Physics, Science Instruction, Teaching Methods, Scientific Concepts
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Katie J. Stone; Caitlin Rancher; Faraday Davies; Kerrie Schnake; Angela D. Moreland – Psychology in the Schools, 2024
Promoting teachers' well-being through interventions within childcare environments has been associated with children's social-emotional development, teacher behaviors, and job-related factors. The current study aimed to examine whether individual and contextual factors differentially impacted well-being outcomes among teachers who participated in…
Descriptors: Early Childhood Teachers, Well Being, Teacher Attitudes, Teacher Characteristics
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