Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 290
stance coils inthe place of the object whose resistance is to be determined,and throw into circuit enough resistance to bring the gal-vanometer needle to thesame point as before.The resistance, whichmay now be read fromthe standard coils, is theresistance which wassought. Eesistance increaseswith… … Fig. 178. 268 PHYSICS the temperature in the case of metals, but decreases in thecase of carbon. The following list shows the resistance of certain metalscompared with copper, the length, thickness, and temper-ature being the same for all: Copper 100 Aluminium 246 Zinc 446 Platinum 630 Iron 662 Tin…
Physics
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