Charge on Conductors: a Hollow Conducting Spherical Shell Has Radii

question 3

Multiple Choice

Charge on conductors: A hollow conducting spherical shell has radii of 0.80 m and 1.20 m, as shown in the figure. The sphere carries an excess charge of -500 nC. A point charge of +300 nC is present at the center. The surface charge density on the inner spherical surface is closest to

• A) zero.
• B) +4.0 × 10^-8 C/m².
• C) +6.0 × 10^-8 C/m².
• D) -4.0 × 10^-8 C/m².
• E) -6.0 × 10^-8 C/m².

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