Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 525
e used. A Thomson deci-ampere balance would be very con-venient for subsequent determinations of the constant, ifits readings were known to be correct within the desireddegree of accuracy. An error of -i per cent in A causes anequal error in the subsequent measurements. (5) Error Due to a Rise in… … A Fig. I. by cold water coils, and keeping constant the reading of a thermometer placed in the liquid close to the shunt. Suppose the rise in temperature were 5° C. If the shunt were of German silver the change in its resistance would be -04 per cent. X 5 = 2 per cent, or two parts in 1,000, and…
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