Inexpensive portable handheld Van de Graff generator for demonstrating static electricity

Fajar, Dinar Maftukh (2020) Inexpensive portable handheld Van de Graff generator for demonstrating static electricity. In: The 1st International Conference of Research on Education, Applied Science, Science, and Technology (1 st ICREAST) 2020, Universitas Cokroaminoto Palopo. (Submitted)

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Abstract

One device that is commonly used to demonstrate electrostatic phenomena is the Van de Graaff generator. However, this device is found to be expensive, relatively large in size, not easy to move, and not available in many school laboratories. This paper will describe the development of an inexpensive portable handheld Van de Graff generator created by employing second and easily available materials in the local market. This device basically works by collecting charges from two materials that rub against each other. The combination of chosen materials listed in the Triboelectric
series as well as the direction of motor rotation determines the type of charge on the generator. The developed product was successfully tested by charge conduction experiment and charge type test either through a simple Coulomb experiment or by using an electrostatic polarity detector.

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