Podrobnosti o knize
Moje knihovna
Knihy ve službě Google Play
16. Conservation of Mass, Conservation of Linear Momentum, Conser-
19. Moment of a System of Particles Acted upon by Several Forces
20. Work and Energy.
18
19
28. Magnetic Charge. A Magnetic Pole as a Force-Producing Agent.
29. Induced Magnetisation .
28
Art.
Page
34. Force Required to Separate Two Equal and Opposite Poles
35. The Earth's Magnetic Field
36. Magnetic Moment. Equivalent Length of a Magnet .
37. Equality of the Poles of a Magnet. Equilibrium Position of a Magnet
in a Uniform Field .
38. Measurement of the Horizontal Component of the Intensity of a Mag-
netic Field
40
39. Flux of Force Due to a Single Pole. Lines of Magnetic Force Due
to a Single Pole
40. Gauss's Theorem
41. Lines of Force Representing the Resultant Field Due to any Number
of Magnets
42. Intensity of Magnetisation
43. Lines of Induction. Flux of Magnetic Induction
45. The Normal Components of the Flux Density on the Two Sides of
any Surface are Equal
61
46. The Tangential Components of the Field Intensity on the Two Sides
of any Surface are Equal
62
47. Conditions which must be Satisfied at Every Surface in a Magnetic
Field
48. Induced Magnetisation.
49. Magnetic Permeability
50. Refraction of the Lines of Induction at the Surface of Separation of
Two Bodies of Different Permeabilities
66
51. Value of the Pole Strength per Unit Area Induced on the Surface of
Separation of two Bodies of Different Permeabilities
67
52. Field Intensity at any Point in a Magnetic Medium of Constant Per-
meability Completely Surrounding a Point-Pole and Filling all
58. The Electric Current
59.
Conductors and Insulators or Dielectrics
60. Electricity Analogous to an Incompressible Substance Filling all
61.
62.
Space
A Wire as a Geometrical Line
Definition of the Strength of an Electric Current. Definition of a
Continuous Current
63. Definition of the Direction of an Electric Current
64. Conductors in Series and in Parallel. Continuity of an Electric
Current
65. Total Force Produced by a Magnetic Field on a Wire Carrying an
Electric Current
66. Force Produced by a Uniform Magnetic Field on a Straight Wire
Carrying an Electric Current
67. Magnetic Field Produced by an Electric Current in a Wire
68. Direction of the Lines of Force Produced by an Electric Current
69. Magnetic Field Due to a Current in a Long Straight Wire
70. Magnetic Field Due to a Current in a Circular Coil of Wire
71. Absolute Measurement of an Electric Current
91
.
92
93
95
96
101
103
72. Comparison of the Strengths of Electric Currents. Galvanometers
and Ammeters
105
87.
86. Electric Energy and Electric Power. The Wattmeter
Electromotive Force
127
129
95. Electromotive Force Due to Change in the Number of Lines of
Induction Linking a Circuit
145
96. Work Required to Change the Number of Lines of Induction Link-
ing an Electric Circuit.
140
97. Electromotive Force Induced by the Cutting of Lines of Induction
98. Intensity of the Magnetic Field Inside a Long Solenoid
147
158
99. Experimental Determination of the Lines of Induction Linking an
105.
104. Work Required to Establish an Electric Current
Coefficient of Self-Induction or Inductance
169
173
106.
Analogy between the Magnetic Energy of an Electric Current and
the Kinetic Energy of a Moving Column of Water
107. The Inductance of Two Long Parallel Wires .
176
177
108. Total Work Required to Establish Currents in Two Independent
Circuits near Each Other. Mutual Inductance
179
109. Total Energy of the Magnetic Field Due to any Number of Electric
Currents
181
110. Heat Energy Due to Hysteresis
183
111. Summary of the Expressions for the Energy of the Magnetic Field
Produced by Electric Currents
184
CHAPTER V
ELECTROSTATICS
112. Electric Charges
186
113. Positive and Negative Charges. Attraction and Repulsion of
Charged Bodies
114. Charging by Contact and by Induction
116. Properties of Electric Charges
187
188
191
117.
Electrostatic Field of Force. Electrostatic Intensity
193
118. Lines of Electrostatic Force. Flux of Electrostatic Force.
119. Lines of Electrisation .
194
121.
120. Lines of Electrostatic Induction. Flux of Electrostatic Induction
Dielectric Constant
195
196
122.
A Closed Hollow Conductor an Electrostatic Screen
123. The Electrostatic Intensity Within the Substance of a Conductor in
which there is no Electric Current is Always Zero
124. The Total Charge Within any Region Completely Enclosed by a Con-
ductor is Always Zero
125. The Electrostatic Intensity just Outside a Charged Conductor is
Normal to the Surface of the Conductor
199
126. The Electrostatic Flux Density just Outside a Charged Conductor is
Independent of the Nature of the Surrounding Dielectric
200
127. Conditions which Must be Satisfied at any Surface in an Electro-
static Field .
132. Relation between Electrostatic Charge and Quantity of Electricity 207
133. Relation between Electrostatic Potential and Electric Potential
210
211
213
214
145. Establishment of a Steady Current in a Circuit Containing Resistance
and Inductance.
226
146. Decay of Current in a Circuit Containing Resistance and Inductance 229
147. Charging a Condenser through a Resistance
148. Discharge of a Condenser through a Resistance
149. Discharge of a Condenser through an Inductance
230
232
233
153. Period, Frequency, Alternations, Periodicity and Phase
243
159. Average Power of a Harmonic P. D. and a Harmonic Current.
Power Factor
250
160. Power of a Non-Harmonic P. D. and a Non-Harmonic Current
253
161.
Effective Value of a Non-Harmonic Current or P. D.
254
162. Equivalent Harmonic Current and P. D.
Determination of the Maximum Value and Phase of the Harmonics
in a Wave of any Shape
165. Power and Reactive Components of P. D. and Current
255
258