| 1867 - 478 pages
...resistance of the wire in the trough, is to be determined. The resistance of a wire of given material **varies directly as its length, and inversely as the area of its** section or as the square of its radius ; so that, if I be the length and r the radius of the section... | |
| George Gore - Electrometallurgy - 1877 - 490 pages
...as science extends they will probably require to be. The degree of conduction-resistance in a wire **varies directly as its length, and inversely as the area of its** cross-section. Acids and saline liquids obey the same laws of conduction in this respect as metals.... | |
| George Gore - Electroplating - 1877 - 432 pages
...as science extends they will probably require to be. The degree of conduction-resistance in a wire **varies directly as its length, and inversely as the area of its** cross-section. Acids and saline liquids obey the same laws of conduction in this respect as metals.... | |
| Sir John Ambrose Fleming - Electric engineering - 1886 - 240 pages
...opposed places is called the specific. resistance of the substance. The resistance of a conductor varies **as its length, and inversely as the area of its cross section.** Hence, if its specific resistance is given in ohms, all that has to be done to obtain the resistance... | |
| Wooster Woodruff Beman, David Eugene Smith - Algebra (Elements) - 1900 - 460 pages
...resistance ; all three must be considered. 320. It is proved in physies that the resistance of a -wire **varies directly as its length and inversely as the area of its** cross-section. That is, if a mile of a certain wire has a resistance of 3.58 ohms, 2 mi. of that wire... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1908 - 520 pages
...у oc wx, then у oc w if x is constant and у ос x if to is constant. If у = k •— , then у **varies directly as w and inversely as x. Example....resistance of a wire of length I and cross-section area s** = ir • (radius)2. Then R = k • - where k is some s constant. Since R = r when Z = 1 and s = ir(TV)2,... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1912 - 508 pages
...ос wx, then у ce w if ж is constant and у oc x if w is constant. If у = Je »— , then x у **varies directly as w and inversely as x. Example....resistance of a wire of length I and cross-section area s** = тг • (radius)2. Then R = k • - where k is some s constant. Since R = r when 1 = 1 and s = я-(TV)2i... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1912 - 238 pages
...у ж x if w is constant. If у = k •-— , then SB у varies directly as w and inversely as jr. **Example, The resistance offered by a wire to an electric...resistance of a wire of length I and cross-section area s** = т • (radius)2. Then R = k • - where k is some S constant. Since R = r when I = 1 and s = ir(-^j)2,... | |
| Wirt Robinson - Electric power - 1914 - 624 pages
...investigated first by Ohm who showed that the resistance of a given conductor of uniform cross-section **varies directly as its length and inversely as the area of its** cross-section. At the time when he carried on his researches there were no units of resistance and... | |
| David Penn Moreton - Electric measurements - 1915 - 344 pages
...Resistance to Physical Dimensions. — From the two previous sections, we know the resistance of a conductor **varies directly as its length and inversely as the area of its** cross-section. These two relations may be combined with a constant, giving the following equation :... | |
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