JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 29 January 2024, Shift 1, Physics Q31

Question 31 of 90 in this shift, Physics question 1 of 30, Section A.

The resistance

R=\frac{V}{I}

where

V=(200\pm5)

V and

I=(20\pm0.2)

A, the percentage error in the measurement of R is :

(1) $7\%$
(2) $3\%$
(3) $3.5\%$ Official answer
(4) $5.5\%$

Official answer

Option 3

NTA final key.

Chapter: Units and Measurements
Topic: Ohm's Law and Resistance
Idea tested: Error Analysis in Ohm's Law

Same idea in other shifts

Asked 3× in all

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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.