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Saturday, 31 October

JEE Main 2017 · PhysicsMultiple choiceSingle correctMediumConceptual

JEE Main 2 April 2017 (offline), Physics Q29

Question 29 of 90 in this shift, Physics question 29 of 30.

Which of the following statements is **false** ?
  1. (1)Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude.
  2. (2)In a balanced wheatstone bridge if the cell and the galvanometer are exchanged, the null point is disturbed.Official answer
  3. (3)A rheostat can be used as a potential divider.
  4. (4)Kirchhoff's second law represents energy conservation.

Official answer

Option 2

CBSE answer key (25/04/2017, used for result).

Chapter
Current Electricity
Topic
Wheatstone Bridge
Idea tested
Battery and Galvanometer Interchangeability

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 (CBSE ran the 2017 exam); answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.