Question

If $E$ is the electric field intensity of an electrostatic field, then the electrostatic energy density is proportional to

• A. $E$
• B. $E^2$
• C. $E^3$
• D. $\sqrt{E}$

Answer 1

Answer: (B)

Electrostatic energy density
$\frac{\text{ Energy }}{\text{ Volume }}=\frac{{\epsilon }_0{E}^2}{2}$
$\propto E^2$