Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 256
ant OR by completing the parallelogram OE^RE^- At the given OA is the instantaneous value of the e.m.f. in coil I, ^■^ il tt H It It ^^1 and OC is the projection on the vertical of the resultant OR. From thesimilarity and equality of the shaded triangles, it follows that OC = 0A + OB. Now, OC is… … 1 w S. 0 Fig. 227 to the instantaneous value of the resultant. It follows that electromotiveforces can be compounded by the parallelogram law in exactly the sameway as mechanical forces. To make this important result still clearer, we have represented in Fig.228 the moment when the resultant e.m.f.…
Electrical engineering
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