JEE Main 2012 — Current Electricity Question with Solution
JEE Main 2012 (26 May Online)
Question
The resistance of a wire is . It is bent at the middle by and both the ends are twisted together to make a shorter wire. The resistance of the new wire is
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Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Resistance of wire If wire is bent in the middle then
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This is a previous-year question from JEE Main 2012, 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.