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 ?C 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
C
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