Page:A Treatise on Electricity and Magnetism - Volume 1.djvu/32

 Art. 269. Dissipation of the ions and loss of polarization

270. Limit of polarization

271. Ritter's secondary pile compared with the Leyden jar

272. Constant voltaic elements.—Daniell's cell  Chapter VI. Mathematical Theory of the Distribution of Electric Currents. 273. Linear conductors

274. Ohm's Law

275. Linear conductors in series

276. Linear conductors in multiple arc

277. Resistance of conductors of uniform section

278. Dimensions of the quantities involved in Ohm's law

279. Specific resistance and conductivity in electromagnetic measure

280. Linear systems of conductors in general

281. Reciprocal property of any two conductors of the system

282. Conjugate conductors

283. Heat generated in the system

284. The heat is a minimum when the current is distributed according to Ohm's law  Chapter VII. Conduction in Three Dimensions. 285. Notation

286. Composition and resolution of electric currents

287. Determination of the quantity which flows through any surface

288. Equation of a surface of flow

289. Relation between any three systems of surfaces of flow

290. Tubes of flow

291. Expression for the components of the flow in terms of surfaces of flow

292. Simplification of this expression by a proper choice of parameters

293. Unit tubes of flow used as a complete method of determining the current

294. Current-sheets and current-functions

295. Equation of 'continuity'

296. Quantity of electricity which flows through a given surface