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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 8 April 2023, Shift 1, Physics Q47

Question 47 of 90 in this shift, Physics question 17 of 30, Section A.

Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material is
  1. (1)to oscillate the coil in magnetic field for longer period of time
  2. (2)to produce large deflecting torque on the coil
  3. (3)to make the magnetic field radial
  4. (4)to bring the coil to rest quicklyOfficial answer

Official answer

Option 4

NTA final key.

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