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Straulino, S.; Cartacci, A. – Physics Education, 2014
The measurement of the force acting between two parallel, current-carrying wires is known as Ampère's experiment. A mechanical balance was historically employed to measure that force. We report a simple experiment based on an electronic precision balance that is useful in clearly showing students the existence of this interaction and how to…
Descriptors: Measurement Techniques, Physics, Motion, Energy