Physics · Electrostatics
A conducting sphere of radius 0.1 m has a uniform charge density of 1.8 μC/m2 on its surface. What is the electric field in free space at a radial distance of 0.2 m from a point on the surface? (ε0 = permittivity of free space)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16 × 10-6ε0 V/m
- 26 × 10-8ε0 V/m
- 32 × 10-7ε0 V/m✓
- 41 × 10-7ε0 V/m
Correct answer
2 × 10-7ε0 V/m
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