s16-1 LC Circuit LC Oscillations 振荡电路电磁振荡 1. LC circuit As shown in Fig. 17-1, the circuit consists of an inductor L and a capacitor C, which can produce an electric field and magnetic field varying with the time K charge C C q§16-1 LC Circuit & LC Oscillations 振荡电路 电磁振荡 1. LC circuit As shown in Fig.17-1, the circuit consists of an inductor L and a capacitor C, which can produce an electric field and magnetic field varying with the time. L C L C K  q0  q0 charge