Capacitor energy
= Capacitor energy
{title2=$U=Q^2/(2C)$}
A capacitor of capacitance $C$ carrying charge magnitude $Q$ stores
$$
U=\frac{Q^2}{2C}=\frac12CV^2=\frac12QV.
$$
= Capacitor energy
{title2=$U=Q^2/(2C)$}
A capacitor of capacitance $C$ carrying charge magnitude $Q$ stores
$$
U=\frac{Q^2}{2C}=\frac12CV^2=\frac12QV.
$$