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Friday, 9 October

JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 11 April 2023, Shift 1, Physics Q38

Question 38 of 90 in this shift, Physics question 8 of 30, Section A.

The free space inside a current carrying toroid is filled with a material of susceptibility 2×10−22 \times 10^{-2}. The percentage increase in the value of magnetic field inside the toroid will be
  1. (1)2%Official answer
  2. (2)0.2%
  3. (3)1%
  4. (4)0.1%

Official answer

Option 1

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