The area of each plate of parallel plated condenser is `144 cm^(2)`. The electrical field in the gap between the plates changes at the rate of `10^(12)Vm^(-1)s^(-1)`. The displacement current is
A. `(4)/(pi)A`
B. `(0.4)/(pi)A`
C. `(40)/(pi)A`
D. `(1)/(10pi)A`