Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 48
Resistance Coils ances. Itwe put them all in series the total resistance will be about5 ohms, and all in parallel 0.2 ohm, so that we have a resistancewhose range is 25 to i. Figs. 2,3 and 34 show this apparatus. A second resistance frame can be made up with i ohm sub-divided into xVths. Thus, take…
Electrical engineering · Electric power
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