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Saturday, 31 October

JEE Main · Physics · Moving Charges and Magnetism

Lorentz Force Vector Summation

JEE Main asked Lorentz Force Vector Summation 3 times in 3 of the 108 shifts Lumi analysed, in 2020, 2024 and 2026. It belongs to Lorentz Force, in Moving Charges and Magnetism (Physics). The longest wait between two years asking it was 4 years.

Updated 2026-10-24

Times asked
3
in 3 shifts
Years
3 of 8
First asked
2020
last in 2026
Pattern
Frequent
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2024 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.10.20’170.08’200’210’220’230.05’240’250.11’26

Raw count: 2017: 0 in 1 shift · 2020: 1 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 1 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20261 of 9
  • 20250 of 8
  • 20241 of 18
  • 20230 of 12
  • 20220 of 24
  • 20210 of 24
  • 20201 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: calculation.

  • Velocity from net lorentz force vector
  • Expressions for electric and magnetic force

Difficulty

Easy 1Medium 1Hard 1

Every question was multiple choice.

Every question

All 3 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 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
  2. 5 Apr 2024, Shift 2 · Q43The electrostatic force (F1⃗)\left(\vec{F_1}\right) and magnetic force (F2⃗)\left(\vec{F_2}\right) acting on a charge q moving with velocity vv…EasySingle correct
  3. 9 Jan 2020, Shift 1 · Q14The electric fields of two plane electromagnetic plane waves in vacuum are given by…HardSingle correct

Shifts: 9 Jan 2020, Shift 1, 5 Apr 2024, Shift 2, 2 Apr 2026, Shift 2.

Same topic

Other ideas in Lorentz Force

Lorentz Force has 18 ideas JEE Main has asked; 9 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas