Question

In a parallel plate capacitor, the distance between the plates is $d$, cross section area is $A$ and potential difference across the plates is $V$. Energy stored per unit volume between the plates capacitor is :

• A. $\frac{Q^2}{2V^2}$
• B. $\frac{1}{2}{\epsilon }_0\frac{V^2}{d^2}$
• C. $\frac{1}{2}\frac{V^2}{{\epsilon }_0{d}^2}$
• D. $\frac{1}{2}{\epsilon }_{0}A\frac{V^2}{d}$

Answer 1

Answer: (B)