Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 319
n size of filament, its length must be such as willproduce the desired resistance. A greater length of this filamentwould give more resistance and a correspondingly less amountof current would give a dim light because of its lower temperature.Likewise, a shorter filament would allow more current to… … Air -Tight-Seal Brass ScrewShell of Base -Glass Stem Glass Insulation Brass Cap Contact Fig. 217.—An Edison Mazda lampand its parts. ELECTRICITY 309 burn with the same brightness. This is in accordance with Ohmslaw which as stated in a formula is E = RC that is Ej the electromotive force in volts,…
Heating · Lighting · Plumbing
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