A parallel plate capacitor consisting of two circular plates of radius 10 cm is being charged by a constant current of 0.15 A. If the rate of change…

A parallel plate capacitor consisting of two circular plates of radius $\displaystyle 10$ cm is being charged by a constant current of $\displaystyle 0.15$ A. If the rate of change of potential difference between the plates is $\displaystyle 7 \times 10^8 \mathrm{~V} / \mathrm{s}$ then the integer value of the distance between the parallel plates is $\displaystyle \left(\right.$ Take, $\displaystyle \left.\epsilon_0=9 \times 10^{-12} \frac{\mathrm{~F}}{\mathrm{~m}}, \pi=\frac{22}{7}\right)$ $\displaystyle \_\_\_\_$ $\displaystyle \mu \mathrm{m}$.