A Thin, Circular Disk of Radius R = 30 Cm

A thin, circular disk of radius R = 30 cm is oriented in the yz-plane with its center as the origin. The disk carries a total charge Q = +3 μC distributed uniformly over its surface. Calculate the magnitude of the electric field due to the disk at the point x = 15 cm along the x-axis.

A) 9.95 × 10⁵ N/C
B) 4.98 × 10⁵ N/C
C) 3.32 × 10⁵ N/C
D) 2.49 × 10⁵ N/C
E) 1.99 × 10⁵ N/C