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Saturday, 31 October

JEE Main · Physics · Moving Charges and Magnetism

Torque on a dipole in uniform field

JEE Main asked Torque on a dipole in uniform field 6 times in 6 of the 108 shifts Lumi analysed, in 2020, 2021, 2024 and 2026. It belongs to Magnetic Dipole Moment, in Moving Charges and Magnetism (Physics). The longest wait between two years asking it was 3 years. In 2020 and 2026 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
6
in 6 shifts
Years
4 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, 2021, 2024 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.150.30’170.17’200.03’210’220’230.05’240’250.22’26

Raw count: 2017: 0 in 1 shift · 2020: 2 in 12 shifts · 2021: 1 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 2 in 9 shifts.

Shift by shift

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

  • 20262 of 9
  • 20250 of 8
  • 20241 of 18
  • 20230 of 12
  • 20220 of 24
  • 20211 of 24
  • 20202 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Torque on current coil in field
  • Vector torque on current loop

Difficulty

Easy 2Medium 3Hard 1

3 of the 6 questions had a numerical answer.

Every question

All 6 questions

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

  1. 8 Apr 2026, Shift 2 · Q39A current carrying circular loop of radius 2 cm with unit normal n^=k^+i^2\hat{n} = \frac{\hat{k} + \hat{i}}{\sqrt{2}} is placed in a magnetic…MediumSingle correct
  2. 4 Apr 2026, Shift 2 · Q49A circular coil of radius 2 cm and 125 turns carries a current of 1 A. The coil is placed in a uniform magnetic field of magnitude 0.4 T.…EasyNumerical value
  3. 31 Jan 2024, Shift 2 · Q42A uniform magnetic field of 2×10−32\times10^{-3} T acts along positive YY-direction. A rectangular loop of sides 20 cm and 10 cm with current…MediumSingle correct
  4. 26 Aug 2021, Shift 2 · Q29A coil in the shape of an equilateral triangle of side 10 cm lies in a vertical plane between the pole pieces of permanent magnet…MediumNumerical value
  5. 5 Sep 2020, Shift 1 · Q15A square loop of side 2a, and carrying current I, is kept in XZ plane with its centre at origin. A long wire carrying the same current I…HardSingle correct
  6. 3 Sep 2020, Shift 2 · Q24A galvanometer coil has 500 turns and each turn has an average area of 3×10−43 \times 10^{-4} m2^2. If a torque of 1.5 Nm is required to keep…EasyNumerical value

Shifts: 3 Sep 2020, Shift 2, 5 Sep 2020, Shift 1, 26 Aug 2021, Shift 2, 31 Jan 2024, Shift 2, 4 Apr 2026, Shift 2, 8 Apr 2026, Shift 2.

Same topic

Other ideas in Magnetic Dipole Moment

Magnetic Dipole Moment has 20 ideas JEE Main has asked; 5 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas