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Peer reviewed
Phillips, Jeffrey A.; Sanny, Jeff; Berube, David; Hoemke, Anatol – Physics Teacher, 2017
A laboratory experiment often performed in an introductory electricity and magnetism course involves the mapping of equipotential lines on a conductive sheet between two objects at different potentials. In this article, we describe how we have expanded this experiment so that it can be used to illustrate the electrostatic properties of conductors.…
Descriptors: Science Experiments, Laboratory Experiments, Science Laboratories, Energy
Peer reviewed
Duggen, L.; Willatzen, M.; Voon, L. C. Lew Yan – European Journal of Physics, 2012
This paper illustrates both a problem in mathematical physics, whereby the method of separation of variables, while applicable, leads to three ordinary differential equations that remain fully coupled via two separation constants and a five-term recurrence relation for series solutions, and an exactly solvable problem in electrostatics, as a…
Descriptors: Mathematics, Physics, Calculus, Equations (Mathematics)
Peer reviewed
Cleaver, Thomas G. – Physics Teacher, 1978
Describes a laboratory game called SUPERCHARGE, used as an aid to help students understand the concept of equipotential surfaces generated by distributions of charges. (GA)
Descriptors: College Science, Educational Games, Electricity, Games
Peer reviewed
Burko, Lior M. – European Journal of Physics, 2007
Multipole expansions depend on the coordinate system, so that coefficients of multipole moments can be set equal to zero by an appropriate choice of coordinates. Therefore, it is meaningless to say that a physical system has a nonvanishing quadrupole moment, say, without specifying which coordinate system is used. (Except if this moment is the…
Descriptors: Mathematics Activities, Physics, Evaluation, Equations (Mathematics)
Peer reviewed