Calculate The Magnitude Of The Electric Field At The Center Of A Disk

Question

2.0 µC of charge is uniformly distributed on a thin non-conducting disk of radius 10.0 cm. What is the magnitude of the electric field at the center of the disk in V/m?

(1) 3.6 × 10⁶

(2) 1.8 × 10⁶

(3) 5.4 × 10⁶

(4) 7.2 × 10⁶

(5) 0