Module 2: Capacitors
Learning sequence:Episode 1: Defining CapacitanceEpisode 2: Energy stored on a capacitor and Series and Parallel circuitsEpisode 3: Charging and discharging capacitorsEpisode 4: Time constant and consolidationLesson notes
HW task: Answer end of chapter questions from textbook pages 174-177 End-of-module assignment: |
Key definitions and equations:Capacitance: The charge stored across a capacitor per unit voltage across its plates. Measured in Farads.
C = Q/V C = C1+C2 (Parallel) 1/C = 1/C1 + 1/C2... (Series) W = 1/2CV2 W = 1/2QV I = Ioe-t/CRQ = Qoe-t/CR V = Voe-t/CR CR = Time constant. In the time, CR, the capacitor will discharge to 0.69 of its original value. |
Simulations and animations: |