. Rectification of alternating currents by means of a carbon arc. Current wave obtained with auxiliary carbon terminal snowing incomplete Voltage wave obtained with auxiliary carbon terminalshowing incomplete rectification. Page 13. arc stream. An oscillogram of the current In the load isshown in Fig. 6, and a similar voltage curve is shovm These oscillograms show that only partial rectifi-cation has taken place. Due to the unidirectional conductiveproperties of the D C arc, the current in one direction couldflow easily, which is shown by the large loop a
. Rectification of alternating currents by means of a carbon arc. Current wave obtained with auxiliary carbon terminal snowing incomplete Voltage wave obtained with auxiliary carbon terminalshowing incomplete rectification. Page 13. arc stream. An oscillogram of the current In the load isshown in Fig. 6, and a similar voltage curve is shovm These oscillograms show that only partial rectifi-cation has taken place. Due to the unidirectional conductiveproperties of the D C arc, the current in one direction couldflow easily, which is shown by the large loop above theground line ( Fig. 6. ). in order to flow in the oppositedirection the alternating current had to establish anarc of its own between A and C ( see Fig. 5. ) which itcould do as the carbon C was hot. The current of this arcwas however opposed by the D C arc and hence only a smallamount was able to flow, giving a small loop below theground line ( Fig. 6. ) . The resultant current waspartially alternating and partially direct. The samediscussion holds true for the voltage wave. This gave avery satisfactory explanation of the apparently contradictory
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