KENNELLY. — OSCILLATING-CURRENT CIRCUITS. 



397 



That is, the undamped current lags <^° of p. d. phase behind the dis- 

 charging undamped p. d. The undamped power reaches its positive 



Energy Joulos 



0.001 



0.0005 



FiGUKE 14. Rotating and rolling vector-diagram of the condenser energj', 

 the inductance energy, the semi-system energy and the semi-dissipated 

 energy in an oscillating-current circuit. 



maximum </)° of its phase behind the discharging undamped p. d. 

 Similarly in Figure 12, we may write the relations 



