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Effektivwert gluehbirne. de March Erkrung des Effektivwerts Hier von der Spannung und des Stromes an Glhbirnen ohmsche Verbraucher own original text selbst gezeichnet Stefan Riepl Quark PDrelease Original upload log de Wdwdbot CommonsHelper de Effektivwertgluehbirne Quark bytes no Information Erkrung des Effektivwerts