JEE Main 2011 — Current Electricity Question with Solution
From: AIEEE 2011
Question
If a wire is stretched to make it longer, its resistance will:
Choose an option
Show full solutionCorrect option: A
Correct answer
Aincrease by
Step-by-step explanation
Resistance of wire
(where )
Fractional charge in resistance
Resistance will increase by
(where )
Fractional charge in resistance
Resistance will increase by
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This is a previous-year question from JEE Main 2011, 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.