Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 70
les and that each wire carriesa current of 10 amperes. We assumethat the wires are so connected thatthe turning-moments produced undereach pole are in the same directionand can therefore be added. Let thestrength of the field or the number oflines of force per sq. cm be 7000, andthe diameter of the… … Fig. 46 f=H.^l: 10 10 7000 . — . 15,000 = 105 . 10^ dynes. 10 Now from page 44 we know that i dyneThe force acting on the periphery is therefore 981,000 kg^ F =-^ =107 kg*. 981,000 * This force acts at a radius of 20 cm = 0^2 metre, giving a turning-moment° Mt = 107.0-2 = 21-4 metre-kilogrammes.…
Electrical engineering
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