File:60Hz hum square.ogg
60Hz_hum_square.ogg (Ogg Vorbis sound file, length 5.1 s, 69 kbps, file size: 43 KB)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:02, 10 August 2009 | 5.1 s (43 KB) | BPK | {{Information |Description={{en|1=Hum of an 60Hz electrical power system}} |Source=Own work by uploader |Author=BPK |Date= |Permission= |other_versions= }} Category:Electricity |
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