JEE Main 2022 — Current Electricity Question with Solution
From: JEE Main 2022 (Online) 28th June Evening Shift
Question
Resistance of the wire is measured as 2 and 3 at 10C and 30C respectively. Temperature co-efficient of resistance of the material of the wire is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A0.033 C1
Step-by-step explanation
R10 = 2 = R0(1 + 10)
R30 = 3 = R0(1 + 30)
On solving
= 0.033/C
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This is a previous-year question from JEE Main 2022, 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.