A Long Cylindrical Shell (Radius = 2

question 30

Multiple Choice

A long cylindrical shell (radius = 2.0 cm) has a charge uniformly distributed on its surface. If the magnitude of the electric field at a point 8.0 cm radially outward from the axis of the shell is 85 N/C, how much charge is distributed on a 2.0-m length of the charged cylindrical surface?

• A) 0.38 nC
• B) 0.76 nC
• C) 0.19 nC
• D) 0.57 nC
• E) 0.98 nC

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