File:Electrostatic ring with ball and plane.webm

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Original file ‎(WebM audio/video file, VP9/Opus, length 58 s, 1,280 × 720 pixels, 1.67 Mbps overall, file size: 11.53 MB)

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Description
English: Variation of a classical electrostatic rotation demonstration. A metal ring around an insulating cylinder is connected to an electrostatic machine. The base below is grounded. A conductive light ball placed over the base turns around the cylinder, depositing charge in the interior of the cylinder and being repelled.

The machine must revert polarity periodically. The experiment works too with a Leyden jar in series with the device. By Dr. Antônio Carlos M. de Queiroz (in memoriam).

http://www.coe.ufrj.br/~acmq/
Date
Source Own work
Author DrAntonioCarlosMdeQueiroz

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
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File history

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Date/TimeThumbnailDimensionsUserComment
current16:12, 17 May 202158 s, 1,280 × 720 (11.53 MB)DrAntonioCarlosMdeQueiroz (talk | contribs)Uploaded own work with UploadWizard

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Transcode status

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Format Bitrate Download Status Encode time
VP9 720P 1.7 Mbps Completed 16:15, 17 May 2021 2 min 41 s
Streaming 720p (VP9) 1.63 Mbps Completed 17:27, 17 March 2024 2.0 s
VP9 480P 999 kbps Completed 16:14, 17 May 2021 1 min 40 s
Streaming 480p (VP9) 928 kbps Completed 09:50, 6 February 2024 2.0 s
VP9 360P 582 kbps Completed 16:14, 17 May 2021 1 min 9 s
Streaming 360p (VP9) 511 kbps Completed 15:49, 7 February 2024 1.0 s
VP9 240P 374 kbps Completed 16:13, 17 May 2021 1 min 1 s
Streaming 240p (VP9) 304 kbps Completed 18:16, 18 December 2023 1.0 s
WebM 360P 585 kbps Completed 16:18, 17 May 2021 5 min 22 s
Streaming 144p (MJPEG) 1 Mbps Completed 22:17, 9 November 2023 3.0 s
Stereo (Opus) 71 kbps Completed 11:07, 22 November 2023 2.0 s
Stereo (MP3) 128 kbps Completed 08:49, 2 November 2023 3.0 s

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