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Standard XII

Physics

Electric Potential at a Point in Space Due to a Point Charge Q

A metal spher...

Question

A metal sphere A of radius r₁charged to a potential phi₁is enveloped by a thin walled conducting spherical shell B of radius r₂. Then potential phi₂of the sphere A after it is connected to the shell B by a thin conducting wire will be :-

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Solution

Here initially we have only a metal sphere of radius r1 with potential phi1 after that it is eneveloped by a spherical shell of radius r1 with potential phi2, So the cases are shown below

Hence the potential **phi2= phi1 * r1/ r2**

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Here initially we have only a metal sphere of radius r1 with potential phi1 after that it is eneveloped by a spherical shell of radius r1 with potential phi2, So the cases are shown below Hence the potential phi2= phi1 * r1/ r2

Here initially we have only a metal sphere of radius r1 with potential phi1 after that it is eneveloped by a spherical shell of radius r1 with potential phi2, So the cases are shown below

Hence the potential **phi2= phi1 * r1/ r2**