JEE Main 2019 — Current Electricity Question with Solution
From: JEE Main 2019 (Online) 9th April Evening Slot
Question
A metal wire of resistance 3 is elongated to
make a uniform wire of double its previous
length. This new wire is now bent and the ends
joined to make a circle. If two points on this
circle make an angle 60° at the centre, the
equivalent resistance between these two points
will be :-
Choose an option
Show full solutionCorrect option: D
Correct answer
D5 / 3
Step-by-step explanation
Final resistance = 3 × (B)2 = 12
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This is a previous-year question from JEE Main 2019, 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.