Mathematics · Electrostatics
The surface charge density of a thin spherical shell placed in an air medium is 88.54 μC/m2. If the intensity of the electric field measured 12 mm outside the shell from the center of the shell is 5.625 × 1012 N/C, then the thin spherical shell has a radius of: (Take ε0 = 8.854 × 10-12 C2/N·m2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110.5 mm
- 26.0 mm
- 30.35 mm
- 49.0 mm✓
Correct answer
9.0 mm
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