INDEX OF SUBJECTS. 643 



CHAPTER V. WORK OF ELECTRICAL FORCES. 



PAGE 



Electrical Energy 77 



Energy of a Single Conductor 77 



Energy of a System of Conductors 78 



Discharge of Batteries. Quantity Battery 80 



Discharge of a Battery in Cascade 81 



Electrical Work in the Displacement of Insulated Conductors .... 82 



Conductors at Constant Charge 83 



Application to the Theory of Symmetrical Electrometers 85 



CHAPTER VI. ON DIELECTRICS. 



Function of the Dielectrical Medium 87 



Expression of Force as a Pressure 87 



Tension and Repulsion of Lines of Force 92 



Energy of the Dielectric Medium 92 



Specific Inductive Capacity 94 



Electrical Absorption 95 



Polarization of the Dielectric 95 



Definition of Dielectric 96 



Refraction of the Flow of Force 98 



Tubes and Flow of Induction 99 



Characteristic Equations of Induction IOO 



Observations on the Fictive Layer IOI 



Charges of Two Corresponding Elements IOI 



Energy of a System in the Case of any Given Dielectrics IO2 



Comparison with Thermal Phenomena 103 



Change of Potential Produced by Interposing a Dielectric 104 



Maxwell's Theory of Displacement 109 



CHAPTER VII. PARTICULAR CASES OF EQUILIBRIUM. 



Representation of the Electrical Field. Lines of Force Ill 



Uniform Field 112 



Field Symmetrical in reference to a Plane 113 



Cylindrical Systems 114 



Two Parallel Lines .' 115 



Several Parallel Lines 116 



Two Lines of Opposite Signs 117 



Two Equal Lines of Opposite Signs 119 



Systems of Revolution 120 



Case of a Single Mass 121 



Any Two Given Masses 122 



Two Equal Masses of the Same Sign 123 



Two Unequal Masses of the Same Sign 124 



XT 2 



