A Charge of 4 $\int _ { 4 } ^ { 6 } \frac { 18 d x } { 4 - x }$

question 84

Multiple Choice

A charge of 4.0 nC is distributed uniformly along the x axis from x = +4 m to x = +6 m.Which of the following integrals is correct for the electric potential (relative to zero at infinity) at the origin?

• A) \(\int _ { 4 } ^ { 6 } \frac { 18 d x } { 4 - x }\)
• B) \(\int _ { 4 } ^ { 6 } \frac { 36 d x } { x }\)
• C) \(\int _ { 4 } ^ { 6 } \frac { 18 d x } { x }\)
• D) \(\int _ { 4 } ^ { 6 } \frac { 36 d x } { 6 - x }\)
• E) \(\int _ { 4 } ^ { 6 } \frac { 36 d x } { 4 + x }\)

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