Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 273
nally a very sensitive one for gettingan accurate adjustment. Fig. 156 shows the arrangement actually made in findingthe resistance of a coil of wire. Its terminals are placed intwo mercury cups used for securing better contact, thesebeing connected with the binding-screws by wide copperstrips. The… … chap, iv.] Wheatstone s Bridge. 255 *i72. Method of finding Galvanometer Resistance. —The bridge may be used for finding the resistance of thegalvanometer actually in use. The galvanometer is includedin the branch AE (Fig. 155). Now it is clear that if E and Fare at the same potential, the mere…
Electricity
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