Physics · Electrostatics
A uniformly charged thin spherical shell of radius R carries a uniform surface charge density of σ per unit area. It is made of two hemispherical shells held together by pressing them with a force F. Then the force F is proportional to:
- 1σ2R2ε0✓
- 2σ2ε0R2
- 3σ2ε0R
- 4σ2Rε0
Correct answer
σ2R2ε0
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