A Spherical Shell of Radius 9

question 81

Multiple Choice

A spherical shell of radius 9.0 cm carries a uniform surface charge density σ= 9.0 nC/m². The electric field at r = 9.1 cm is approximately

• A) zero.
• B) 1.0 kN/C..
• C) 0.65 kN/C.
• D) 0.32 kN/C.
• E) 0.13 kN/C.

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