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Formación universitaria

On-line version ISSN 0718-5006

Abstract

COLLAZOS, Carlos A; OTERO, Heindel R; ISAZA, Jaime J  and  MORA, César. Design and Construction of a Wimshurst Machine for Teaching Electrostatic. Form. Univ. [online]. 2016, vol.9, n.5, pp.107-116. ISSN 0718-5006.  http://dx.doi.org/10.4067/S0718-50062016000500011.

In this work, the design and construction of a prototype for a Wimshurst machine is presented. The article indicates the important parts that make up the machine and the physical operating principle. The prototype was used for teaching Electrostatics in the laboratory of Electricity and Magnetism in the Colombian School of Engineering in the second half of 2015. The prototype was used with two purposes. The first purpose has the intention that students develop demonstrative practices according to level controlled electric shock and electrostatic pendulum practices. The second purpose is aimed at students to experience and obtain quantitative results for a laboratory level of Potential and Electric Field. The results show a gain (0.52±0.08) and it corresponds to an average gain (between 0.3 y 0.7). The didactic sequence followed by students when they work in the laboratory with the prototype. Also, in this paper the method used and the instruments used for data collection process are described. The paper presents and discusses the strengths of the strategy employed.

Keywords : Wimshurst machine; electrostatics; teaching; laboratory practice.

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