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  • This article describes two simple and inexpensive ways how to demonstrate and to verify the Coulomb%22s law. The first part presents the classical way of Coulomb%22s law demonstration (using two charged balls). But the most precise experiments performed in the 20th century utilize the equivalence of 1/r2 dependence and the fact that the electric field inside a charged conductive sphere is zero. In the second part we present low-cost variant of such experiment using simple home-made detector of electric field with FET transistor.
  • This article describes two simple and inexpensive ways how to demonstrate and to verify the Coulomb%22s law. The first part presents the classical way of Coulomb%22s law demonstration (using two charged balls). But the most precise experiments performed in the 20th century utilize the equivalence of 1/r2 dependence and the fact that the electric field inside a charged conductive sphere is zero. In the second part we present low-cost variant of such experiment using simple home-made detector of electric field with FET transistor. (en)
Title
  • Two simple ways of verification of the 1/r2 dependence in Coulomb's law atboth high school and university level
  • Two simple ways of verification of the 1/r2 dependence in Coulomb's law atboth high school and university level (en)
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  • Two simple ways of verification of the 1/r2 dependence in Coulomb's law atboth high school and university level
  • Two simple ways of verification of the 1/r2 dependence in Coulomb's law atboth high school and university level (en)
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  • RIV/00216208:11320/14:10288368!RIV15-MSM-11320___
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  • 51519
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  • RIV/00216208:11320/14:10288368
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  • Coulomb's law; physics education (en)
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  • [6B9BFF47BC3E]
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  • Reims, Francie
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  • Udine, Itálie
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  • TEACHING AND LEARNING PHYSICS TODAY: CHALLENGES? BENEFITS? Proceedings of selected papers of the GIREP-ICPE-MPTL International Conference
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  • Dvořák, Leoš
  • Šabatka, Zdeněk
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  • Universita degli Studi di Udine
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  • 978-88-97311-32-4
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  • 11320
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