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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceDiagram basedMediumMulti-step

JEE Main 8 April 2023, Shift 1, Physics Q49

Question 49 of 90 in this shift, Physics question 19 of 30, Section A.

In this figure the resistance of the coil of galvanometer G is 2 Ω2\ \Omega. The emf of the cell is 4 V4\ \mathrm{V}. The ratio of potential difference across C1\mathrm{C_1} and C2\mathrm{C_2} is:

The figure, in words

Bridge-like circuit with nodes A (left), B (top), D (right), C (bottom). Between A and B: resistor 6 ohm. Between B and D: capacitor C2. Between A and C: capacitor C1. Between C and D: resistor 8 ohm. Galvanometer G between B and C. A 4 V cell is connected between A and D (external branch).
  1. (1)45\frac{4}{5}Official answer
  2. (2)11
  3. (3)54\frac{5}{4}
  4. (4)34\frac{3}{4}

Official answer

Option 1

NTA final key.

Chapter
Current Electricity
Topic
RC Circuits
Idea tested
Initial and Steady State Behavior

Same idea in other shifts

Asked 7× in all
  1. 5 Apr 2026, Shift 2 · Q37Under steady state condition the potential difference across the capacitor in the circuit is __________ V.MediumSingle correctHas a figure
  2. 1 Feb 2024, Shift 2 · Q41A galvanometer (G) of 2 Ω2\,\Omega resistance is connected in the given circuit. The ratio of charge stored in C1C_1 and C2C_2 is :MediumDiagram basedHas a figure
  3. 1 Feb 2024, Shift 2 · Q56In an electrical circuit drawn below the amount of charge stored in the capacitor is ________ μ\muC.MediumNumerical valueHas a figure
  4. 27 Aug 2021, Shift 1 · Q10Calculate the amount of charge on capacitor of 4 μ\muF. The internal resistance of battery is 1 Ω\Omega :MediumSingle correctHas a figure
  5. 31 Aug 2021, Shift 1 · Q27A capacitor of 50 μ\muF is connected in a circuit as shown in figure. The charge on the upper plate of the capacitor is __________ μ\muC.EasyNumerical valueHas a figure
  6. 2 Apr 2017 (offline) · Q16In the given circuit diagram when the current reaches steady state in the circuit, the charge on the capacitor of capacitance C will be :EasySingle 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 108 of the 174 JEE Main shifts held from 2017 to 2026.