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Saturday, 31 October

JEE Main 2021 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 3 August 2021, Shift 1, Physics Q29

Question 29 of 90 in this shift, Physics question 29 of 30, Section B.

A steel bar of mass 16×10−316 \times 10^{-3} kgkg and density 8×1038 \times 10^{3} kg/m3kg/m^3 is used to make a bar magnet. The magnetic moment of the bar magnet is 4 A–m2A\text{–}m^2. The intensity of magnetization of the magnet will be _________ ×106\times 10^6 A/mA/m.

Official answer

2

NTA final key.

Chapter
Magnetism and Matter
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.