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Saturday, 31 October

JEE Main · Physics · Electrostatic Potential and Capacitance

Potential of Concentric Conducting Shells

JEE Main asked Potential of Concentric Conducting Shells once in the 108 shifts Lumi analysed, on 10 Apr 2023, Shift 1. It belongs to Conductors in Fields, in Electrostatic Potential and Capacitance (Physics).

Updated 2026-10-24

Times asked
1
in 1 shift
Years
1 of 8
First asked
2023
the only year
Pattern
Occasional
asked once so far

Questions on this idea a shift, by year

2017–2026. Asked in 2023. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.050.10’170’200’210’220.07’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 1 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20231 of 12
  • 20220 of 24
  • 20210 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Radius of shell from equal potentials

Difficulty

Easy 0Medium 1Hard 0

1 of the 1 question had a numerical answer.

Every question

The question

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 10 Apr 2023, Shift 1 · Q55Three concentric spherical metallic shells XX, YY and ZZ of radius aa, bb and cc respectively [a<b<c][a < b < c] have surface charge…MediumNumerical value

Shift: 10 Apr 2023, Shift 1.

Same topic

Other ideas in Conductors in Fields

Conductors in Fields has 10 ideas JEE Main has asked; 3 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas