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JEE Mains · Physics · STD 12 - Electric charges and fields
  • JEE Mains 2025
  • Medium
  • MCQ

Match List - I with List - II.
List - IList - II
(A) Electric field inside (distance \(r>0\) from center) of a uniformly charged spherical shell with surface charge density \(\sigma\), and radius R.(I) \(\sigma / \epsilon_0\)
(B) Electric field at distance \(r >0\) from a uniformly charged infinite plane sheet with surface charge density \(\sigma\).(II) \(\sigma / 2 \epsilon_0\)
(C) Electric field outside (distance \(r>0\) from center) of a uniformly charged spherical shell with surface charge density \(\sigma\), and radius R.(III) \(0\)
(D) Electric field between 2 oppositely charged infinite plane parallel sheets with uniform surface charge density \(\sigma\).(IV) \(\frac{\sigma R^2}{\epsilon_0 r^2}\)
Choose the correct answer from the options given\(\text{ }\)below\(\text{ }\):

Pick an option to check your answer.
Verified Solution

Answer & Solution

Correct Answer

(A) (A)-(III), (B)-(II), (C)-(IV), (D)-(I)

Step-by-step Solution

Detailed explanation

Inside uniformly charged spherical shell, \(E=0\)
\(\therefore \mathrm{A} \rightarrow \mathrm{III}\)
For uniformly charged infinite plate
\(E=\frac{\sigma}{2 \varepsilon_0}\)
\(\therefore \mathrm{B} \rightarrow \mathrm{II}\)
Outside of spherical shell
\(E=\frac{Q}{4 \pi \varepsilon_0 r_2}=\frac{\sigma R^2}{\varepsilon_0 r^2}\)
\(\therefore \mathrm{C} \rightarrow \mathrm{IV}\)
Between two plates \(E=\frac{\sigma}{\varepsilon_0}\)
\(\therefore \mathrm{D} \rightarrow \mathrm{I}\)
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