646 INDEX OF SUBJECTS. 



CHAPTER III ENERGY OF CURRENTS. 



PAGE 



Disengagement of Heat 236 



Joule's Law 237 



Connection between Ohm's and Joule's Laws 238 



Peltier's Phenomenon 239 



Chemical Decomposition 241 



Faraday's First Law 242 



Polarization of the Electrodes. Capacity of Polarization 243 



Secondary Currents 244 



Successive Chemical Actions of the Current. Faraday's Second Law . . 245 



Electrochemical Equivalents 247 



E. Becquerel's Law 247 



Electrical Couples 248 



Depolarization by Diffusion 248 



Volta's Couple 249 



Unpolarizable Cells 250 



Cells with Two Liquids 251 



Electrostatic Phenomena in Piles or Batteries 252 



Uninsulated Battery 252 



Insulated Battery 252 



Representation of Potentials in the Interior of the Battery 254 



Battery Placed in a Conducting Medium 255 



Electrocapillary Phenomena 258 



CHAPTER IV. THERMOELECTRICAL CURRENTS. 



Seebeck's Discovery . ' 259 



Laws of Thermoelectrical Currents 260 



Law of Volta 260 



Law of Magnus 260 



Law of Successive Temperatures (Becquerel) 260 



Law of Intermediate Metals (Becquerel) 261 



Phenomena of Inversion 261 



Graphical Representation of the Phenomena 262 



Conclusions from Volta's Law 263 



Consequences of Inversion 265 



Sir W. Thomson's Theory 266 



Thomson Effect 267 



Thermoelectrical Powers 269 



Neutral Point 271 



Specific Heat of Electricity 272 



Electromotive Force of a Thermoelectrical Couple 273 



Tait's Hypothesis 275 



Electrical Convection of Heat 277 



Nature of the Peltier Phenomenon 278 



