Conducting sphere of radius `R_(1)` is covered by concentric sphere of radius `R_(2)`. Capacity of this combination is proportional toA. `(R_(2)-R_(1))/(R_(1)R_(2))`B. `(R_(2)+R_(1))/(R_(1)R_(2))`C. `(R_(1)R_(2))/(R_(1)+R_(2))`D. `(R_(1)R_(2))/(R_(2)-R_(1))`

Conducting sphere of radius `R_(1)` is covered by concentric sphere of

1.	Conducting sphere of radius `R_(1)` is covered by concentric sphere of radius `R_(2)`. Capacity of this combination is proportional toA. `(R_(2)-R_(1))/(R_(1)R_(2))`B. `(R_(2)+R_(1))/(R_(1)R_(2))`C. `(R_(1)R_(2))/(R_(1)+R_(2))`D. `(R_(1)R_(2))/(R_(2)-R_(1))`
Answer» Correct Answer - D Capacity of spherical capacitor, `C=4piepsilon_(0)((R_(1)R_(2))/(R_(2)-R_(1))) rArr C prop (R_(1)R_(2))/(R_(2)-R_(1))`

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Conducting sphere of radius `R_(1)` is covered by concentric sphere of radius `R_(2)`. Capacity of this combination is proportional toA. `(R_(2)-R_(1))/(R_(1)R_(2))`B. `(R_(2)+R_(1))/(R_(1)R_(2))`C. `(R_(1)R_(2))/(R_(1)+R_(2))`D. `(R_(1)R_(2))/(R_(2)-R_(1))`

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