A 24-NC Charge Is Distributed Uniformly Along the X Axis $$\int _ { 2 } ^ { 6 } \frac { 54 d x } { ( 8 - x ) ^ { 2 } }$$

question 133

Multiple Choice

A 24-nC charge is distributed uniformly along the x axis from x = 2 m to x = 6 m.Which of the following integrals is correct for the magnitude (in N/C) of the electric field at x = +8 m on the x axis?

• A) \[\int _ { 2 } ^ { 6 } \frac { 54 d x } { ( 8 - x ) ^ { 2 } }\]
• B) \(\int _ { 2 } ^ { 6 } \frac { 216 d x } { ( 8 - x ) ^ { 2 } }\)
• C) \(\int _ { 2 } ^ { 6 } \frac { 54 d x } { x ^ { 2 } }\)
• D) \[\int _ { 2 } ^ { 6 } \frac { 216 d x } { x ^ { 2 } }\]
• E)none of these

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