International Library of Technology · Scranton, International Textbook Co. · leaf 223
CTRICAL MEASUREMENTS. 1657 70 times as much as when the insulation resistance is in cir-cuit. This difference would scarcely affect an ordinary-battery, and as the actual insulation resistance of a speci-men of wire is seldom wanted with an accuracy greater than95-90^ (that is, within 5 or lOfo),… … ICell (ai (b) Fig. 1012. ii|i|i|- 100Cells |i|i|i|f1 of 100 cells is required. The cells should be uniform in kind,size, and condition. The galvanometer should be connected in series with theinsulation resistance and the cells, as shown in Fig. 1012 (d),and the deflection noted. The galvanometer…
Electrical engineering
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