Austin, Louis W. (Louis Winslow), 1867-1932, Thwing, Charles B. (Charles Burton), 1860-1946, joint author · Boston, Allyn and Bacon · leaf 101
te whose resistance is to be determinedis placed in the cell shown in Fig. 42 <x, if of low resist-ance, or the one shown in Fig. 42 5, if of high resistance.The electrodes are of platinum which have been coatedwith platinum black. The Kohlrausch form of bridge 88 Vll YSICAL ILEA S UREMENT.… … Fig. 43, Exercise 46.—Resistance of a battery with the alternatingcurrent. In this case no special cell or electrodes are required.Make the connections as indicated above, and vary thepoint of the contact till the telephone becomes silent. Itis well to place the induction coil in an adjoining room,…
Physics
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