Multiple Choice
A disk with a uniform positive surface charge density lies in the x-y plane, centered on the origin.The disk contains 2.5 x 10-6 C/m2 of charge, and is 7.5 cm in radius.What is the electric field at z = 15 cm?
A) 30 N/C
B) 300 N/C
C) 3000 N/C
D) 3.0 x 104 N/C
E) 3.0 x 107 N/C
Correct Answer:
Verified
Correct Answer:
Verified
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