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The resistance offered by a wire to an electric current varies directly as its length and inversely as the area of its cross section.
High School Algebra: Advanced Course - Page 136
by Herbert Ellsworth Slaught, Nels Johann Lennes - 1908 - 194 pages

## Laboratory: A Weekly Record of Scientific Research, Volume 1

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...

## The art of electro-metallurgy

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....

## The Art of Electro-metallurgy Including All Known Processes of Electro ...

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....

## Short Lectures to Electrical Artisans: Being a Course of Experimental ...

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...

## Elements of Algebra

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...

## High School Algebra: Complete Course

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,...

## First Principles of Algebra: Complete Course

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...

## First Principles of Algebra: Advanced Course

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,...