A charge per unit length given by ?(x) = bx, where b = 12 nC/m2, is distributed along the x axis from x = +9.0 cm to x = +16 cm. If the electric potential at infinity is taken to be zero, what is the electric potential at the point P on the y axis at y = 12 cm?
a. 5.4 V
b. 7.2 V
c. 9.0 V
d. 9.9 V
e. 16 V
a
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