JEE Main 2026 — Current Electricity Question with Solution
JEE Main 2026 (05 April Shift 2)
Question
In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter readings are noted as and , respectively. The least counts of voltmeter and ammeter are and , respectively. The estimated error in the resistance measurement is _______ .
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Given and
Least count of voltmeter,
Least count of ammeter,
Resistance is given by Ohm's law:
The maximum permissible relative error in resistance is:
Answer:
Least count of voltmeter,
Least count of ammeter,
Resistance is given by Ohm's law:
The maximum permissible relative error in resistance is:
Answer:
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This is a previous-year question from JEE Main 2026, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.