xxvi
CONTENTS.
Art.
Page
269. Dissipation of the ions and loss of polarization
321
270. Limit of polarization
321
271. Ritter's secondary pile compared with the Leyden jar
322
272. Constant voltaic elements.—Daniell's cell
325
Mathematical Theory of the Distribution of Electric Currents.
273. Linear conductors
329
274. Ohm's Law
329
275. Linear conductors in series
329
276. Linear conductors in multiple arc
330
277. Resistance of conductors of uniform section
331
278. Dimensions of the quantities involved in Ohm's law
332
279. Specific resistance and conductivity in electromagnetic measure
333
280. Linear systems of conductors in general
333
281. Reciprocal property of any two conductors of the system
335
282. Conjugate conductors
336
283. Heat generated in the system
336
284. The heat is a minimum when the current is distributed according to Ohm's law
337
Conduction in Three Dimensions.
285. Notation
338
286. Composition and resolution of electric currents
338
287. Determination of the quantity which flows through any surface
339
288. Equation of a surface of flow
340
289. Relation between any three systems of surfaces of flow
340
290. Tubes of flow
340
291. Expression for the components of the flow in terms of surfaces of flow
341
292. Simplification of this expression by a proper choice of parameters
341
293. Unit tubes of flow used as a complete method of determining the current
341
294. Current-sheets and current-functions
342
295. Equation of 'continuity'
342
296. Quantity of electricity which flows through a given surface
344