Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 223
principle of operation is identical, and itwould be impossible to tell the two dnstruments apart,so far as the actual indicating mechanism is concerned, ifit were not that the bobbin is wound with coarser wire. 212 The wire on the bobbin is a shunt on the resistance R. Thewiiole current to be… … Figure 75 ^ Brush Electric Co. voltmeter and ammeter in which the attractionof a Solenoid for an iron core is weighed. to the current; or, looking at it in another way, the currentwill divide between the resistance R and the bobbin B in-versely proportional to their resistances. Therefore, whena…
Electricity
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