A Uniform Linear Charge of 3 $\int _ { - 3 } ^ { 2 } \frac { 27 d y } { ( 4 - y ) ^ { 2 } }$

question 141

Multiple Choice

A uniform linear charge of 3.0 nC/m is distributed along the y axis from y = -3 m to y = 2m.Which of the following integrals is correct for the magnitude of the electric field at y = 4 m on the y axis?

• A) \(\int _ { - 3 } ^ { 2 } \frac { 27 d y } { ( 4 - y ) ^ { 2 } }\)
• B) \(\int _ { - 3 } ^ { 2 } \frac { 27 d y } { 16 + y ^ { 2 } }\)
• C) \[\int _ { - 3 } ^ { 2 } \frac { 135 d y } { ( 4 - y ) ^ { 2 } }\]
• D) \(\int _ { - 3 } ^ { 2 } \frac { 135 d y } { 16 + y ^ { 2 } }\)
• E)none of these

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