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Friday, 9 October

JEE Main 2020 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 2 September 2020, Shift 1, Physics Q14

Question 14 of 75 in this shift, Physics question 14 of 25.

Magnetic materials used for making permanent magnets (P) and magnets in a transformer (T) have different properties of the following, which property best matches for the type of magnet required ?
  1. (1)P : Large retentivity, large coercivityOfficial answer
  2. (2)P : Small retentivity, large coercivity
  3. (3)T : Large retentivity, large coercivity
  4. (4)T : Large retentivity, small coercivity

Official answer

Option 1

NTA final key (Sep 2020).

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 42 of the 174 JEE Main shifts held from 2017 to 2026.