Question

The earth has Volume 'V' and surface area 'A' then its capacitance would be

Medium
Solution
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If we assume shape of earth be solid spherical.
Then, the volume of earth
where R is radius of earth.
Given, volume of earth
surface area of earth
So,
or
or,
Now, capacitance of earth
.

Solve any question of Electrostatic Potential and Capacitance with:-
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