1991
DOI: 10.1088/0031-9120/26/3/012
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A mechanical analogy for Ohm's law

Abstract: PhYSEduC 311991) PrinledinlheUK NOTES ON EXPERIMENTS'Notes on experiments' enables teachers at both school and tertiary level to share their ideas with other readers. Physics Education welcome submissions from readers who know of some simple improvement to a commercially made piece of apparatus, or who have designed a new gadget or improved a standard experiment. In particular the Editor would welcome brief descriptions of experiments devised or procedures evolved during the course or project work or investiga… Show more

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Cited by 8 publications
(4 citation statements)
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“…A existência do termo constante 1/t 0 , já foi discutido anteriormente por Couto Tavares e colaboradores [3]. Este termo advém do fato que as colisões que ocorrem no modelo mecânico (bolinha-pregos) não são totalmente inelástica como assumidas no modelo de Drude.…”
Section: Resultados Observadosunclassified
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“…A existência do termo constante 1/t 0 , já foi discutido anteriormente por Couto Tavares e colaboradores [3]. Este termo advém do fato que as colisões que ocorrem no modelo mecânico (bolinha-pregos) não são totalmente inelástica como assumidas no modelo de Drude.…”
Section: Resultados Observadosunclassified
“…Este fato, como mostra simulações numéricas realizadas na Ref. [3], levaà existência de um termo extra, tornando a Eq. (3) a forma mais correta de descrever o modelo.…”
Section: Resultados Observadosunclassified
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“…With due attention to such drawbacks, analogies have demonstrated a particular utility for more abstract phenomena of higher complexity such as the first-and secondorder phase transitions of the easy-axis Heisenberg antiferromagnet that have been explained by a simple mechanical analogy [4]. Visualization is a major aspect of mechanical analogies, as demonstrated in depicting how a resistor's ohmic value influences the microscopic motion of a charge carrier by reference to the motion of a ball along a slanted board with a lattice of protruding nails [5]. Similarly, a mechanical analogy is used to visualize the motion of a charged particle in a magnetic mirror device [6].…”
Section: Introductionmentioning
confidence: 99%