Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 94
and multiplying by loo, theralue of R. To use an outside battery, remove the inside battery and connect the outsidebattery t)etween the posts Gr and Ba. The pressure of this battery should not exceed110 volts. Jf it exceed 25 volts, open svfitch IV. EXAMPLE—With an unknown resistance connected… … C xl.S je a, 2f 3 w o gtvjO O C h „ 00*^ £t3 g o 5.5 K.WJk-i-iUry«T;t/}D- flj -5^- S . g-c S^^S .«l-Ci-3„M.S^M> o o rt^ o-o 3 a>>5 [^ ■fi— 3 t;-- cp &-^ D loS,a o;s 3 I o t; „ 0) <->J3-3 ^^ y.S ^ >----9 — ol: c 5 -K b-^Li a•S-o H-s > SOX ^ a- li 4) — - JsSo*;- >.o o -c 2…
Electrical engineering
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