A-Level Physics OCR A H556

6.1.2: Energy

#6.1.2a

p.d.–charge graph for a capacitor; energy stored is area under graph

#6.1.2b

energy stored by capacitor; $W = \dfrac{1}{2}QV$ , $W = \dfrac{1}{2}\dfrac{Q^2}{C}$ and $W = \dfrac{1}{2}V^2C$

#6.1.2c

uses of capacitors as storage of energy.

6.1.1

Capacitors

6.1.3

Charging and discharging capacitors