The displacement current through a capacitor of plate area 16 cm² is 6 A at an instant. Assuming uniform electric field, find the displacement current corresponding to area 3.2 cm

Question

G1 Physics · Accepted Answer

i d = ε 0 A ( d E / d t ) , i_d=ε₀A(dE/dt), i d ​ = ε 0 ​ A ( d E / d t ) , so i d ∝ A . i_d∝A. i d ​ ∝ A . Therefore i′=(3.2/16)×6=1.2 A.