A Long Nonconducting Cylinder (Radius = 6

question 36

Multiple Choice

A long nonconducting cylinder (radius = 6.0 mm) has a nonuniform volume charge density given by αr2, where α = 6.2 mC/m5 and r is the distance from the axis of the cylinder. What is the magnitude of the electric field at a point 2.0 mm from the axis?

• A)1.4 N/C
• B)1.6 N/C
• C)1.8 N/C
• D)2.0 N/C
• E)5.4 N/C

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