A parallel plate capacitor has circular plates, each of radius $5\: cm$. It is being charged so that electric field in the gap between its plates rises steadily at the rate of $10^{12}V/ms$. What is the displacement current?

Question

$\begin {array} {1 1} (a)\;0.1A & \quad (b)\;0.7A \\ (c)\;0.07A & \quad (d)\;0.01A \end {array}$