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Friday, 9 October

JEE Main 2022 · PhysicsMultiple choiceDiagram basedEasyData or graph

JEE Main 25 July 2022, Shift 1, Physics Q40

Question 40 of 90 in this shift, Physics question 10 of 30, Section A.

A condenser of 2 μ2\ \muF capacitance is charged steadily from 00 to 55 C. Which of the following graph represents correctly the variation of potential difference (V) across it's plates with respect to the charge (Q) on the condenser ?

The figure, in words

Options are four V (x10^6 V) vs Q (C) graphs with Q axis marked at 5 and V axis marked at 2.5 and 5.
  1. (1)[figure: graph of V (x10^6 V) vs Q (C); straight line from origin to Q=5 C, V=2.5]Official answer
  2. (2)[figure: graph of V (x10^6 V) vs Q (C); concave-up curve from origin rising steeply to Q=5 C, V=5]
  3. (3)[figure: graph of V (x10^6 V) vs Q (C); straight line from origin to Q=5 C, V=5]
  4. (4)[figure: graph of V (x10^6 V) vs Q (C); concave-down curve from origin flattening at V=2.5 by Q=5 C]

Official answer

Option 1

NTA final key (2022 Session 2).

Chapter
Electrostatic Potential and Capacitance
Topic
Parallel Plate Capacitors
Idea tested
Parallel Plate Capacitance Formula

Same topic in other shifts

All Parallel Plate Capacitors questions
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  2. 4 Apr 2026, Shift 2 · Q37From the circuit given below, the capacitance between terminals AA and BB shown in the circuit is ________ μ\muF. (take…MediumDiagram basedHas a figure
  3. 5 Apr 2026, Shift 1 · Q37A displacement current of 4.0 A can be set up in the space between two parallel plates of 6 μ6\ \muF capacitor. The rate of change of…EasySingle correct
  4. 3 Apr 2025, Shift 2 · Q38Using a battery, a 100 pF capacitor is charged to 60 V and then the battery is removed. After that, a second uncharged capacitor is…EasySingle correct
  5. 7 Apr 2025, Shift 1 · Q26If ϵ0\epsilon_0 denotes the permittivity of free space and ΦE\Phi_E is the flux of the electric field through the area bounded by the…MediumSingle correct
  6. 9 Apr 2024, Shift 1 · Q40A capacitor is made of a flat plate of area A and a second plate having a stair-like structure as shown in figure. If the area of each…MediumSingle correctHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.