Question

Two conducting concentric shell of radii r and 2r are charged to potential 10 and 8 V. Potential of both the shells when they are connected by conducting wire, is​

Answer 1

Answer:

equal

Explanation:

equal......

Answer 2

Potential of both the shells when they are connected by conducting wire are equal.

Explanation:

Two conducting concentric shell of radii r and 2r are charged to potential 10 and 8 V.

Potential due to a charged spherical sphere with radius r = V = 1/4π∈₀ . q/r = k. q/r

The two spheres of radii r and 2r will carry charges q and 2q respectively.

Then V1 = k Q/2r + k 2Q/2R = k. 3Q/2R

Since charge remain constant before and after connecting them, final charge = 3Q.

So V2 = k. 3Q/2R

   ΔV = V2 - V1 = 0

Therefore, we find that the initial and final charges are equal.