Multiple Choice
Use the following figure to answer the next problem: 
-A disk of radius 10 cm has a uniform charge density of 20 nC/cm2.The electric potential at a distance x = 20 cm on its axis is
A) 189 kV
B) 267 kV
C) 302 kV
D) 356 kV
E) 421 kV
Correct Answer:

Verified
Correct Answer:
Verified
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