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Saturday, 31 October

JEE Main · Physics · Electrostatic Potential and Capacitance

Identifying Series vs Parallel Slab Configurations

JEE Main asked Identifying Series vs Parallel Slab Configurations once in the 108 shifts Lumi analysed, on 3 Apr 2025, Shift 1. It belongs to Dielectrics, in Electrostatic Potential and Capacitance (Physics).

Updated 2026-10-24

Times asked
1
in 1 shift
Years
1 of 8
First asked
2025
the only year
Pattern
New since 2024
asked once so far

Questions on this idea a shift, by year

2017–2026. Asked in 2025. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.10.20’170’200’210’220’230’240.13’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 1 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
  • 20251 of 8
  • 20240 of 18
  • 20230 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

Diagram based is the usual form. Skill tested: multi-step.

  • Capacitance ratio for two slab configurations

Difficulty

Easy 0Medium 1Hard 0

The question was multiple choice.

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. 3 Apr 2025, Shift 1 · Q38A parallel plate capacitor is filled equally(half) with two dielectrics of dielectric constants ϵ1\epsilon_1 and ϵ2\epsilon_2, as shown in…MediumDiagram basedHas a figure

Shift: 3 Apr 2025, Shift 1.

Same topic

Other ideas in Dielectrics

Dielectrics has 9 ideas JEE Main has asked; 6 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas