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Saturday, 31 October

JEE Main 2021 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 25 February 2021, Shift 2, Physics Q11

Question 11 of 90 in this shift, Physics question 11 of 30, Section A.

In a ferromagnetic material, below the curie temperature, a domain is defined as :
  1. (1)a macroscopic region with zero magnetization.
  2. (2)a macroscopic region with saturation magnetization.Official answer
  3. (3)a macroscopic region with randomly oriented magnetic dipoles.
  4. (4)a macroscopic region with consecutive magnetic dipoles oriented in opposite direction.

Official answer

Option 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.