Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 50
tion to the resistance, but increases as the square of thecurrent. Hence doubling the resistance, doubles the heat gener-ated, if the current remains the same, but doubling the cuirentincreases tlie generation of heat four fold with the sameresistance. Applications. The heating of a wire carrying a… … Fig. 32. piece of fine platinum wire in the circuit. Some combustiblesubstance is placed around the platinum, and serves to ignite themain chaige when the platinum wire is heated. Upon closing thecircuit this \vire becomes hot and the explosion takes place. This principle of heating is also applied…
Electrical engineering
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