1.

Consider an evacuted cylindrical chamber of height h having rigid conducting plates at the end and an insulting curved surface as shown in the figure. A number of spherical balls made of a light weight and soft material and coated with a conducting material are placed on the bottom plated. The balls have a radius r

Answer»

zero
PROPORTIONAL to the POTENTIAL `_V0`
proportional to ` V_0^(3//2)`
proportional to` V_0^(2)`

Answer :D


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