International Library of Technology · Scranton, International Textbook Co. · leaf 509
being that at which the current leaves the 19 ELECTRIC LIGHTING. 45 station and the — side that at which it returns. In con-necting circuits in series, the — end of one circuit should beconnected to the + end of the other, as indicated in Fig. 25.If two — ends are connected, the current will flow… … ] Scvifchboarc/. Fig. 25. direction. Some of these ammeters, for example, the Wes-ton, will not give a deflection over the scale unless the cur-rent flows in at the -j- terminal. Others have an indica-ting attachment that shows whether the current is flowingthe wrong way or not. It goes almost…
Electrical engineering
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