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Saturday, 31 October

JEE Main 2025 · PhysicsMultiple choiceAssertion–reasonEasyConceptual

JEE Main 8 April 2025, Shift 2, Physics Q35

Question 35 of 75 in this shift, Physics question 10 of 25, Section A.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Work done in moving a test charge between two points inside a uniformly charged spherical shell is zero, no matter which path is chosen. Reason R : Electrostatic potential inside a uniformly charged spherical shell is constant and is same as that on the surface of the shell. In the light of the above statements, choose the correct answer from the options given below
  1. (1)Both A and R are true and R is the correct explanation of AOfficial answer
  2. (2)Both A and R are true but R is NOT the correct explanation of A
  3. (3)A is true but R is false
  4. (4)A is false but R is true

Official answer

Option 1

NTA final key.

Chapter
Electrostatic Potential and Capacitance
Topic
Electric Potential
Idea tested
Potential of a Spherical Shell

Same idea in other shifts

Asked 4× in all
  1. 3 Apr 2025, Shift 1 · Q39The electrostatic potential on the surface of uniformly charged spherical shell of radius R = 10 cm is 120 V. The potential at the centre…EasySingle correct
  2. 12 Apr 2023, Shift 1 · Q5664 identical drops each charged upto potential of 10 mV are combined to form a bigger drop. The potential of the bigger drop will be…MediumNumerical value
  3. 8 Jan 2020, Shift 2 · Q10Consider two charged metallic spheres S1S_1 and S2S_2 of radii R1R_1 and R2R_2, respectively. The electric fields E1E_1 (on S1S_1) and…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. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.