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Friday, 9 October

JEE Main Physics · Moving Charges and Magnetism

Lorentz Force in JEE Main

Lorentz Force (Physics, Moving Charges and Magnetism) came 20 times in 19 of the 42 JEE Main shifts Lumi analysed, across 13 distinct ideas. 12 of them came in 2024–26; it was last asked in 2026.

Questions
20
in 19 shifts
Ideas asked
13
5 asked more than once
Numerical answer
6
30% of its questions
Pattern
Asked most years
last asked 2026
Questions each year
0360’173’201’213’221’233’244’255’26

In the shifts Lumi analysed for each year.

Difficulty and format
Easy 8Medium 11Hard 1

Format

  • Single correct9 Q
  • Numerical value6 Q
  • Assertion–reason2 Q
  • Diagram based2 Q
  • Other1 Q
Ideas inside the topic
13 ideas
Where it sits

Part of Moving Charges and Magnetism, which had 56 questions in all. Lorentz Force accounts for 36% of them. In Lumi's JEE taxonomy it belongs to Magnetism.

Every question

All 20 Lorentz Force questions

Newest first, each with its options and official answer.

  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
  7. 4 Apr 2025, Shift 2 · Q49A particle of charge 1.6 μ\muC and mass 16 μ\mug is present in a strong magnetic field of 6.28 T. The particle is then fired…EasyNumerical value
  8. 7 Apr 2025, Shift 1 · Q37A particle of charge q, mass m and kinetic energy E enters in magnetic field perpendicular to its velocity and undergoes a circular arc of…EasyDiagram basedHas a figure
  9. 7 Apr 2025, Shift 1 · Q40Uniform magnetic fields of different strengths (B1B_1 and B2B_2), both normal to the plane of the paper exist as shown in the figure. A…HardDiagram basedHas a figure
  10. 8 Apr 2024, Shift 1 · Q57An electron with kinetic energy 5 eV enters a region of uniform magnetic field of 3 μ\muT perpendicular to its direction. An electric…MediumNumerical value
  11. 9 Apr 2024, Shift 2 · Q44A proton and a deutron (q=+eq=+e, m=2.0m=2.0u) having same kinetic energies enter a region of uniform magnetic field B⃗\vec{B}, moving…EasySingle correct
  12. 31 Jan 2024, Shift 1 · Q57An electron moves through a uniform magnetic field B⃗=B0i^+2B0j^ T\vec{B}=B_0\hat{i}+2B_0\hat{j}\ T. At a particular instant of time, the velocity of…MediumNumerical value
  13. 13 Apr 2023, Shift 2 · Q43An electron is moving along the positive x-axis. If the uniform magnetic field is applied parallel to the negative z-axis, then A. The…EasyOther
  14. 25 Jul 2022, Shift 1 · Q41Two charged particles, having same kinetic energy, are allowed to pass through a uniform magnetic field perpendicular to the direction of…MediumSingle correct
  15. 24 Jun 2022, Shift 1 · Q32Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In an uniform…EasyAssertion–reason
  16. 29 Jun 2022, Shift 1 · Q39A charge particle moves along circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charge particle…EasySingle correct
  17. 16 Mar 2021, Shift 2 · Q9A charge Q is moving dl⃗\vec{dl} distance in the magnetic field B⃗\vec{B}. Find the value of work done by B⃗\vec{B}.EasySingle correct
  18. 8 Jan 2020, Shift 1 · Q12Proton with kinetic energy of 1 MeV moves from south to north. It gets an acceleration of 101210^{12} m/s2^2 by an applied magnetic field…MediumSingle correct
  19. 9 Jan 2020, Shift 2 · Q14An electron gun is placed inside a long solenoid of radius RR on its axis. The solenoid has nn turns/length and carries a current II.…MediumSingle correctHas a figure
  20. 2 Sep 2020, Shift 1 · Q13A beam of protons with speed 4×105 ms−14\times10^{5}\ \mathrm{ms^{-1}} enters a uniform magnetic field of 0.3 T at an angle of 60∘60^\circ to the…MediumSingle correct