Willoughby, George Alonzo, 1894- · Peoria, Ill. : Manual Arts Press · leaf 45
y cells, storage batteries,or other low-voltage sources, and is so constructed as to i)er-mit enough current to flow thru it to cause it to light. Thet5-v-Lomp amount of current flowingthru the lamp when it is con-nected depends upon the pres-sure, and the resistance in thelamp itself. The lamps… … Fig. 19. A 1.5-volt lamp con-nected to a 1.5-volt source ofpressure, a dry cell. 33. The Meaning of the Mark on a Battery Lamp.A battery lamp is usually stamped with a number giving thevoltage upon which it is designed to operate. A mark of1.5 V on the base of the lamp means that it is fnade foruse…
Electricity · Electrical engineering
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