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Saturday, 31 October

JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 13 April 2023, Shift 2, Physics Q56

Question 56 of 90 in this shift, Physics question 26 of 30, Section B.

In the circuit shown, the energy stored in the capacitor is n μn\ \muJ. The value of n is ______.

The figure, in words

12 V battery connected across a diamond (bridge) network: upper-left arm 3 ohm, upper-right arm 4 ohm, lower-left arm 9 ohm, lower-right arm 2 ohm; a 6 microfarad capacitor connects the left and right junctions of the diamond (bridge arm).

Official answer

75

NTA final key.

Chapter
Current Electricity
Topic
Wheatstone Bridge
Idea tested
DC Bridge with Capacitors

Same topic in other shifts

All Wheatstone Bridge questions
  1. 6 Apr 2026, Shift 2 · Q48A moving coil of galvanometer when shunted with 2 Ω\Omega resistance gives a full scale deflection for a current of 500 mA. When a…MediumNumerical value
  2. 7 Apr 2025, Shift 1 · Q36A wire of resistance R is bent into a triangular pyramid as shown in figure with each segment having same length. The resistance between…MediumDiagram basedHas a figure
  3. 5 Apr 2024, Shift 2 · Q46A galvanometer of resistance 100 Ω100\ \Omega when connected in series with 400 Ω400\ \Omega measures a voltage of upto 10 V. The value of…MediumSingle correct
  4. 6 Apr 2024, Shift 1 · Q40The value of unknown resistance (xx) for which the potential difference between BB and DD will be zero in the arrangement shown, is :MediumSingle correctHas a figure
  5. 9 Apr 2024, Shift 1 · Q50A galvanometer has a coil of resistance 200 Ω200\ \Omega with a full scale deflection at 20 μ20\ \muA. The value of resistance to be added to…EasySingle correct
  6. 1 Feb 2024, Shift 2 · Q50In a metre-bridge when a resistance in the left gap is 2 Ω2\,\Omega and unknown resistance in the right gap, the balance length is found to…MediumSingle correct

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 108 of the 174 JEE Main shifts held from 2017 to 2026.