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Question: Answered & Verified by Expert
A conducting sphere A having a radius a is charged to a potential V1. Now it is surrounded by another conducting spherical shell of the radius b. The potential V2 acquired by the sphere A after it is connected to shell B by a thin conducting wire is -
PhysicsElectrostaticsJEE Main
Options:
  • A V1ab
  • B V1ba
  • C V1(a+b)b
  • D V1aa+b
Solution:
1685 Upvotes Verified Answer
The correct answer is: V1ab


V1 = Kqa

V2 = Kqb = Kqb

= KV1aKb = V1ab

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