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CGP EDU Academic Team
Published on: August 13, 2026
27 similar drops of mercury are maintained at 
each. All these spherical drops combine into a single big drop. The potential energy of the bigger drop is times that of a smaller drop.
Text Solution
Verified by ExpertsThe correct answer is:
243
(243) For self-energy of sphere (conducting)
For small drop 
After combine small drops volume remains same as bigger drop
For large drop 
From equation , ,
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