Two isolated metallic solid spheres of radii … and … are charged such that both have same charge density …. The spheres are then connected by a thin conducting wire. If the new charge density of the bigger sphere is …. The ratio … is :

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Electrostatics

JEE Main 2023 · 30 Jan, Morning shift · Q6931

PhysicsMedium46×since 2002Q6931

Two isolated metallic solid spheres of radii

\mathrm{R}

and

2 \mathrm{R}

are charged such that both have same charge density

\sigma

. The spheres are then connected by a thin conducting wire. If the new charge density of the bigger sphere is

\sigma^{\prime}

. The ratio

\frac{\sigma^{\prime}}{\sigma}

is :