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Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)

American School of Correspondence · Chicago : American Technical Society · leaf 285

An illustration from Cyclopedia of architecture, carpentry, and building : a general reference work ..., 1907, leaf 285
G 39 It is a fact which the reader undoubtedly knows, that the E. M. F. asindicated by the voltmeter in Fig. 34 is inversely proportional to theresistance: that is, the greater the resistance, the lower will be thereading on the voltmeter, as this reading indicates the leakage or cur-rent passing… … Or, expressed in words, the insulation resistance is equal to the resist-ance of the volt-meter multiplied hythe difference be-tween the first read-ing (or the voltagein the cells) andthe second reading(or the reading ofthe voltmeter withthe insulation re-sistance in series with the voltmeter),…

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