An Infinitely Long Cylindrical Shell of Radius 6 $\sigma$ = 12 NC/m²

question 36

Multiple Choice

An infinitely long cylindrical shell of radius 6.0 cm carries a uniform surface charge density $\sigma$ = 12 nC/m².The electric field at r = 2.0 cm is approximately

• A)12 kN/C
• B)0.56 kN/C
• C)1.3 kN/C
• D)0.81 kN/C
• E)zero

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