JEE AdvancedElectrostaticsHard

Question

A uniformly charged thin spherical shell of radius R carries uniform surface charge density of σ per unit area. It is made of two hemispherical shells, held together by pressing them with force F (see figure). F is proportional to
         

Options

A.
B.
C.
D.

Solution

Pressure = and force = × πR2

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