This resource includes the following topics: undriven RLC circuits, mass on a spring: simple harmonic motion (a second look), demonstration: driven mass on a spring off resonance, demonstration: driven mass on a spring, electronic analog: RLC circuits, demonstration: RLC with light bulb, start at beginning: AC circuits, prs question: leading or lagging, demonstration: phasors, prs questions: phase, prs question: who dominates, RLC circuits: resonances, demonstration: RLC with light bulb, prs questions: resonance, experiment 11: driven RLC circuit; how to.