Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 467
Fig. 456 … Fig- 457 On the other hand, the direct-current power is given by the equation P=^.O.M.Z.io-8.7,a where I is the external direct current. If there are 2a paths through thearmature between the negative and positive terminals on the direct cur-rent side, then I = zal^. By putting ^.« =/ and equating…
Electrical engineering
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