Physics · 2024
JEE Main · 6 April 2024, Shift 1 · Q38
σ is the uniform surface charge density of a thin spherical shell of radius R. The electric field at any point on the surface of the spherical shell…
$\displaystyle \sigma$ is the uniform surface charge density of a thin spherical shell of radius $\displaystyle R$. The electric field at any point on the surface of the spherical shell is :
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \sigma / \epsilon_o$
More from Electrostatics
- The vehicles carrying inflammable fluids usually have metallic chains touching the ground:2024
- Six point charges are kept 60^° apart from each other on the circumference of a circle of radius R as shown in figure. The net electric field at the…2026
- A particle of charge ' -q ' and mass ' m ' moves in a circle of radius ' r ' around an infinitely long line charge of linear charge density ' +λ '.…2024
- Given below are two statements: one is labelled as Assertion and the other is labelled as Reason (R). Assertion: Work done by electric field on…2024
- Consider two infinitely large plane parallel conducting plates as shown below. The plates are uniformly charged with a surface charge density +σ and…2025
- A point charge +q is placed at the origin. A second point charge +9 q is placed at (d, 0, 0) in Cartesian coordinate system. The point in between…2025
- A point charge q=1 μ C is located at a distance 2 cm from one end of a thin insulating wire of length 10 cm having a charge Q=24 μ C, distributed…2026
- The electrostatic potential in a charged spherical region of radius r varies as V=a r^3+b, where a and b are constants. The total charge in the…2026
JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.