Before you read this, I suggest you read posts 24.5 and 24.6. In post 21.1 we saw that an electrical circuit that consists only of a capacitor discharging through an inductor is a simple harmonic oscillator in which the charge, Q, depends on time, t, according to the equation Q = Q0eiωt                    (1) (equation B4… Continue reading 24.7 Driven oscillator