 | 1884 - 616 Seiten
...potential is higher. Any dynamo in which the curve 422 RECENT PROGRESS IN DYNAMO-ELECTRIC MACHINES. of potentials at the commutator presented such irregularities...the lines of magnetic force in the field. These are shewn in Fig. 7, together with the exf Fig. 7 ploring coil situated as in Fig. 4. A simple inspection... | |
 | T. C. Baillie - 1915 - 258 Seiten
...very high field intensities now frequently demanded. MISCELLANEOUS QUESTIONS ON CHAPTER IV 40. Sketch the form and distribution of the lines of magnetic force in the field surrounding a long straight conductor which carries a current. Give a second sketch showing similarly... | |
 | 1884 - 582 Seiten
...He finds that the complicated mathematical expression for this case, when examined, shows negativo values for angles between 12° and 90°. The curves...field. These are shown in fig. 7, together with the exploring coil situated as in fig. 4. A simple inspection of the figure will show that at 0° a certain... | |
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He finds that the complicated mathematical expression for this case, when examined, shows negativo values for angles between 12° and 90°. The curves of values that satisfy his equations have minima exactly in those regions where his experiments revealed... 