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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceOtherEasyApplication

JEE Main 13 April 2023, Shift 2, Physics Q43

Question 43 of 90 in this shift, Physics question 13 of 30, Section A.

An electron is moving along the positive x-axis. If the uniform magnetic field is applied parallel to the negative z-axis, then A. The electron will experience magnetic force along positive y-axis B. The electron will experience magnetic force along negative y-axis C. The electron will not experience any force in magnetic field D. The electron will continue to move along the positive x-axis E. The electron will move along circular path in magnetic field Choose the correct answer from the options given below:
  1. (1)A and E only
  2. (2)C and D only
  3. (3)B and D only
  4. (4)B and E onlyOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Moving Charges and Magnetism
Topic
Lorentz Force
Idea tested
Magnetic Force Direction Rules

Same topic in other shifts

All Lorentz Force questions
  1. 2 Apr 2026, Shift 1 · Q481 μ1\ \muC charge moving with velocity v⃗=(i^−2j^+3k^)\vec v=\left(\hat i-2\hat j+3\hat k\right) m/s in the region of magnetic field…EasyNumerical value
  2. 2 Apr 2026, Shift 2 · Q29A particle having charge 10−910^{-9} C moving in xx-yy plane in fields of 0.4j^0.4\hat{j} N/C and 4×10−3k^4 \times 10^{-3}\hat{k} T experiences a…MediumSingle correct
  3. 5 Apr 2026, Shift 1 · Q49The charged particle moving in a uniform magnetic field of (3i^+2j^) T(3\hat{i} + 2\hat{j})\,\mathrm{T} has an acceleration…MediumNumerical value
  4. 5 Apr 2026, Shift 2 · Q38A particle of charge qq and mass mm is projected from origin with an initial velocity…MediumSingle correct
  5. 8 Apr 2026, Shift 2 · Q48A 5 mg particle carrying a charge of 5π×10−65\pi \times 10^{-6} C is moving with velocity of (3i^+2k^)×10−2\left(3\hat{i} + 2\hat{k}\right) \times 10^{-2}…MediumNumerical value
  6. 3 Apr 2025, Shift 2 · Q40Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : If Oxygen ion…MediumAssertion–reason

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.