A Charge Per Unit Length Given By $\lambda$ (X) = Bx, Where B = 12 NC/m2, Is Distributed

question 20

Multiple Choice

A charge per unit length given by $\lambda$ (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

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