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Saturday, 31 October

JEE Main · Physics · Moving Charges and Magnetism

Kinetic Energy Gained in Rotation

JEE Main asked Kinetic Energy Gained in Rotation once in the 108 shifts Lumi analysed, on 4 Sep 2020, Shift 2. It belongs to Magnetic Dipole Moment, in Moving Charges and Magnetism (Physics).

Updated 2026-10-24

Times asked
1
in 1 shift
Years
1 of 8
First asked
2020
the only year
Pattern
Gone quiet
asked once so far

Questions on this idea a shift, by year

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

00.050.10’170.08’200’210’220’230’240’250’26

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: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

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

  • 20260 of 9
  • 20250 of 8
  • 20240 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: multi-step.

  • Angular speed of coil rotating in magnetic field

Difficulty

Easy 0Medium 1Hard 0

The question was multiple choice.

Every question

The question

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

  1. 4 Sep 2020, Shift 2 · Q13A circular coil has moment of inertia 0.8 kg m2^2 around any diameter and is carrying current to produce a magnetic moment of 20 Am2^2.…MediumSingle correct

Shift: 4 Sep 2020, 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