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Friday, 9 October

JEE Main 2022 · PhysicsMultiple choiceOtherMediumConceptual

JEE Main 28 July 2022, Shift 1, Physics Q42

Question 42 of 90 in this shift, Physics question 12 of 30, Section A.

The current sensitivity of a galvanometer can be increased by : (A) decreasing the number of turns (B) increasing the magnetic field (C) decreasing the area of the coil (D) decreasing the torsional constant of the spring Choose the most appropriate answer from the options given below :
  1. (1)(B) and (C) only
  2. (2)(C) and (D) only
  3. (3)(A) and (C) only
  4. (4)(B) and (D) onlyOfficial answer

Official answer

Option 4

NTA final key (2022 Session 2).

Chapter
Moving Charges and Magnetism
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.