Abstract
When we touch a metal doorknob after walking on a carpet on a dry day, we sometimes feel a shock on the fingertips as a small crackle. If it is dark, we can see a spark when inserting a key into a keyhole. This is the same phenomenon as thunder. This phenomenon is brought about by electric charge in substances. The usual frictional electricity we experience also comes from electric charges.
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© 2014 Springer Japan
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Matsushita, T. (2014). Electrostatic Field. In: Electricity and Magnetism. Undergraduate Lecture Notes in Physics. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54526-2_1
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DOI: https://doi.org/10.1007/978-4-431-54526-2_1
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Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-54525-5
Online ISBN: 978-4-431-54526-2
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