International Library of Technology · Scranton, International Textbook Co. · leaf 402
urther decrease of current and increase of resistance, withthe result that the arc would go out. On the other hand, anincrease of current would result in a decrease of resistance. 34 ELECTRIC LIGHTING. 18 and this would cause a still further increase of current.The operation of the lamp would… … Fig. 22. a drop through the resistance sufficient to bring the arcvoltage to the correct amount when the normal current isflowing, the lamp will become stable in its action. For.suppose the current decreases a little; the drop through 18 ELECTRIC LIGHTING. 35 the resistance will decrease and, since…
Electrical engineering
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