CHAPTER I. GENERAL EQUATIONS. 417 

1. The constants of the electric circuit, and their constancy. 417 

2. The differential equations of the general circuit, and 

their general integral equations. 419 

3. Terminal conditions. Velocity of propagation. 421 

4. The group of terms in the general integral equations 

and the relations between its constants. 422 

5. Elimination of the complex exponent in the group equa- 

tions. 425 

6. Final form of the general equations of the electric circuit. 428