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Saturday, 31 October

JEE Main 2021 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 3 August 2021, Shift 1, Physics Q14

Question 14 of 90 in this shift, Physics question 14 of 30, Section A.

20 mA current can pass through a galvanometer of resistance 50 Ω\Omega . What resistance in series should be connected through it, so that it is converted into a voltmeter measuring upto 200 Volt ?
  1. (1)0.995 Ω\Omega
  2. (2)99.50 Ω\Omega
  3. (3)995 Ω\Omega
  4. (4)9950 Ω\OmegaOfficial 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.