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Friday, 9 October

JEE Main 2017 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 2 April 2017 (offline), Physics Q19

Question 19 of 90 in this shift, Physics question 19 of 30.

When a current of 5 mA is passed through a galvanometer having a coil of resistance 15 Ω15\ \Omega, it shows full scale deflection. The value of the resistance to be put in series with the galvanometer to convert it into a voltmeter of range 0−100-10 V is :
  1. (1)1.985×103 Ω1.985\times10^3\ \OmegaOfficial answer
  2. (2)2.045×103 Ω2.045\times10^3\ \Omega
  3. (3)2.535×103 Ω2.535\times10^3\ \Omega
  4. (4)4.005×103 Ω4.005\times10^3\ \Omega

Official answer

Option 1

CBSE answer key (25/04/2017, used for result).

Topic
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Idea tested
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Question text from the official JEE Main paper published by NTA (CBSE ran the 2017 exam); 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.