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CONTENTS.
xvii
Art.
Page
52. Specific Inductive capacity of a dielectric
50
53. 'Absorption' of electricity
50
54. Impossibility of an absolute charge
51
55. Disruptive discharge.—Glow
52
56. Brush
54
57. Spark
55
58. Electrical phenomena of Tourmaline
56
59. Plan of the treatise, and sketch of its results
57
60. Electric polarization and displacement
59
61. The motion of electricity analogous to that of an incompressible fluid
62
62. Peculiarities of the theory of this treatise
62
Elementary Mathematical Theory of Electricity.
63. Definition of electricity as a mathematical quantity
66
64. Volume-density, surface-density, and line-density
67
65. Definition of the electrostatic unit of electricity
68
66. Law of force between electrified bodies
69
67. Resultant force between two bodies
69
68. Resultant force at a point
69
69. Line-integral of electric force; electromotive force
71
70. Electric potential
72
71. Resultant force in terms of the potential
72
72. The potential of all points of a conductor is the same
73
73. Potential due to an electrified system
74
74. Proof of the law of the inverse square
74
75. Surface-integral of electric induction
77
76. Introduction through a closed surface due to a single centre of force
77
77. Poisson's extension of Laplace's equation
79
78. Conditions to be fulfilled at an electrified surface
80
79. Resultant force on an electrified surface
82
80. The electrification of a conductor is entirely on the surface
83
81. A distribution of electricity on lines or points is physically impossible
84
82. Lines of electric induction
84
83. Specific inductive capacity
86
