CONTENTS 



CHAPTER I. 



PAGE 



Introductory Law of Force Unit Pole Strength of Magnetic Field Unit 

 Current Magnetic Field due to Solenoid Distinction between In- 

 duction and Magnetizing Force Magnetic Field due to an Electric 

 Current Self and Mutual Induction Potential Specific Inductive 

 Capacity Equipotential Surfaces Capacity Condensers Energy of 

 a Charged Condenser 1 



CHAPTER II. 



Induced Electromotive Forces Faraday's Law Induced Currents Lenz's 

 Law Self and Mutual Induction Energy of a Magnetic Field due to 

 Electric Currents Currents in Inductive Circuits 10 



CHAPTER III. 



The Production of Alternating Electromotive Forces Generators Arma- 

 ture Reaction Circuit with Constant Inductance Impedance . 18 



CHAPTER IV. 



Capacity in Alternating-current Circuits Combination of Capacity and 

 Inductance in Series Combination of Capacity and Inductance in 

 Parallel Reactance Resonance Root Mean Square Values ... 28 



CHAPTER V. 



Expression for Power Measurement of Power 37 



CHAPTER VI. 

 Composition of Periodic Curves of Different Amplitudes but of same 



Periodic Time 42 



CHAPTER VII. 

 Algebraic Representation of Vectors Vector Addition Products of 



Vectors 45 



CHAPTER VIII. 



Tiie Calculation of Electric Currents in Reactive Circuits S eries Circuits 



Parallel Circuits Mutually Reactive Circuits 52 



