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Saturday, 31 October

JEE Main 2021 · PhysicsMultiple choiceMatch the listMediumRecall

JEE Main 26 August 2021, Shift 2, Physics Q1

Question 1 of 90 in this shift, Physics question 1 of 30, Section A.

Match List - I with List - II : List - I List - II (a) Magnetic Induction (i) ML2T−2A−1\mathrm{ML^2T^{-2}A^{-1}} (b) Magnetic Flux (ii) M0L−1A\mathrm{M^0L^{-1}A} (c) Magnetic Permeability (iii) MT−2A−1\mathrm{MT^{-2}A^{-1}} (d) Magnetization (iv) MLT−2A−2\mathrm{MLT^{-2}A^{-2}} Choose the most appropriate answer from the options given below :
  1. (1)(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
  2. (2)(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  3. (3)(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)Official answer
  4. (4)(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

Official answer

Option 3

NTA final key.

Same idea in other shifts

Asked 3× in all
  1. 2 Apr 2025, Shift 2 · Q27Given a charge qq, current II and permeability of vacuum μ0\mu_0. Which of the following quantity has the dimension of momentum ?MediumSingle correct
  2. 27 Aug 2021, Shift 1 · Q5Which of the following is not a dimensionless quantity ?EasySingle 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.