The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 325
d to vary in-versely as the square of the required E. M. F., whichbeing doubled by joining the two dynamos in series, thecross-section of each main should be reduced to \ theusual amount, its length remaining the same if therewere no change of filament resistance. But the joiningof each pair of… … THE RELATIONS OF ELECTRICITY TO LIGHT. 3O9 ratio of resistance to E. M. F. would be doubled if mainsof only \ the usual size were employed; therefore, tomaintain constancy of current, mains of \ the cross-section and same length would be required; that is, 3mains, each \ the usual size, or f the…
Electricity · Magnetism
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