The energy stored in a condenser of capacity $C$ which has been raised to a potential $V$ is given by
$\frac{1}{2}\,CV$
$\frac{1}{2}\,C{V^2}$
$CV$
$\frac{1}{{2\,VC}}$
Charge $'q'$ on a capacitor varies with voltage $'V'$ as shown. The area of $\Delta OPM$ represents
A $6\,\mu F$ capacitor is charged from $10\;volts$ to $20\;volts$. Increase in energy will be
In which of the following stores maximum energy ?
A battery is used to charge a parallel plate capacitor till the potential difference between the plates becomes equal to the electromotive force of the battery. The ratio of the energy stored in the capacitor and the work done by the battery will be
A $12\,pF$ capacitor is connected to a $50\,V$ battery. How much electrostatic energy is stored in the capacitor