Symmetry and Voltmeters

McGuyer, B. H.

doi:10.1119/1.3660766

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2019

2023

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Cited by 2 publications

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“…What measures a voltmeter located in different positions in a circuit that has a variable magnetic flux is indeed a wellknown case as indicated by Golberg and Zik [9]. A letter from McGuyer [10] includes a list of useful references on the same theme. In these cases, geometry does matter!…”

Section: Final Commentsmentioning

confidence: 99%

Simple symmetrical circuits and a comment on the importance of topology

Wörner¹

2019

Phys. Educ.

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The equivalent resistance calculation for two circuits in cubic arrangements is solved. Emphasis is placed on the plastic (topological) properties of these circuits. In contrast, the opposite topological behaviour of an analogous arrangement is observed in the calculus of a magnetic field. It is also noted that the solved examples may be used as a teaser/comic pedagogical approach to physics instruction.

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Section: Final Commentsmentioning

confidence: 99%