A linear charge of nonuniform density ? = bx, where b = 2.1 nC/m2, is distributed along the x axis from x = 2.0 m to x = 3.0 m. Determine the electric potential (relative to zero at infinity) of the point y = 4.0 m on the y axis.
A. 36 V
B. 95 V
C. 10 V
D. 17 V
E. 15 V
Answer: C
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