A Long Nonconducting Cylinder (Radius = 6

question 55

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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