Learn

Friday, 9 October

JEE Main Physics · Electromagnetic Induction

Magnetic Energy Density

Magnetic Energy Density (Electromagnetic Induction) was asked 2 times in 2 JEE Main shifts, 2022–2025, out of the 42 shifts Lumi analysed.

Times asked
2
in 2 shifts
Years
2022–2025
Usual format
Single correct
Application
Pattern
Occasional
repeats across shifts

How it is asked

  • Magnetic energy stored in filled solenoid
  • Dimension of physical quantity from formula

Difficulty

Easy 1Medium 1Hard 0

Where it sits

Chapter: Electromagnetic Induction. Topic: Inductance, 9 questions over 7 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 2 Apr 2025, Shift 2 · Q43A solenoid having area AA and length ll is filled with a material having relative permeability 2. The magnetic energy stored in the…MediumSingle correct
  2. 28 Jul 2022, Shift 1 · Q31The dimensions of (B2μ0)\left(\frac{B^2}{\mu_0}\right) will be : (if μ0\mu_0 : permeability of free space and B : magnetic field)EasySingle correct