Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 196
or the spring, the coil would turn until itsnorth pole would be directly in front of the permanentS-pole, and would then stop. But the spring allows it toturn only so far as the strength of the poles forces it. Sincethe strength of the poles depends upon the current flowingin the coil, the… … Figure 187. — Wiring Diagram of a Galvanometer. 186 MOTION-PRODUCING EFFECT OF CURRENT
Physics
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