Electrostatics 7 Question 8
8. A uniformly charged thin spherical shell of radius carries uniform surface charge density of per unit area. It is made of two hemispherical shells, held together by pressing them with force (see figure). is proportional to
(2010)
(a)
(b)
(c)
(d)
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Solution:
- Electrical force per unit area
Projected area
In equilibrium, this force should be equal to the applied force.