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Friday, 9 October

JEE Main Physics · Units and Measurements

Error Analysis in Ohm's Law

Error Analysis in Ohm's Law (Units and Measurements) was asked 3 times in 3 JEE Main shifts, 2023–2026, out of the 42 shifts Lumi analysed.

Times asked
3
in 3 shifts
Years
2023–2026
Usual format
Single correct
Calculation
Pattern
Frequent
repeats across shifts

How it is asked

  • Percentage error in derived quantity
  • Error in resistance from least counts

Difficulty

Easy 2Medium 1Hard 0

Where it sits

Chapter: Units and Measurements. Topic: Ohm's Law and Resistance, 25 questions over 13 ideas.

Other repeat ideas in this topic

Every time it came

All 3 questions

Newest first, each with its options and official answer.

  1. 5 Apr 2026, Shift 2 · Q27In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter readings are noted as 10 V and 5…EasySingle correct
  2. 29 Jan 2024, Shift 1 · Q31The resistance R=VIR=\frac{V}{I} where V=(200±5)V=(200\pm5) V and I=(20±0.2)I=(20\pm0.2) A, the percentage error in the measurement of R is :EasySingle correct
  3. 6 Apr 2023, Shift 1 · Q46Two resistances are given as R1=(10±0.5) ΩR_1=(10\pm0.5)\,\Omega and R2=(15±0.5) ΩR_2=(15\pm0.5)\,\Omega. The percentage error in the measurement of equivalent…MediumSingle correct