Electrostatics: JEE Main 2025 Physics question

JEE Main 2025 · 8 Apr, Evening shift · Q36

JEE Main 20258 Apr, Evening shiftPhysicsMediumElectrostatics167× since 2002

Two metal spheres of radius R and 3R have same surface charge density

\sigma

. If they are brought in contact and then separated, the surface charge density on smaller and bigger sphere becomes

\sigma_1

and

\sigma_2

, respectively. The ratio

\frac{\sigma_1}{\sigma_2}

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JEE Main 2025 Electrostatics Question with Solution (8 Apr Evening shift, Q36) | JEE Arc

JEE Main 2025 · 8 Apr, Evening shift · Q36

JEE Main 20258 Apr, Evening shiftPhysicsMediumElectrostatics167× since 2002

Two metal spheres of radius R and 3R have same surface charge density

\sigma

. If they are brought in contact and then separated, the surface charge density on smaller and bigger sphere becomes

\sigma_1

and

\sigma_2

, respectively. The ratio

\frac{\sigma_1}{\sigma_2}