JEE Main 2025PhysicsCurrent ElectricityResistance And ResistivitymediumMCQ

JEE Main 2025 — Current Electricity Question with Solution

From: JEE Main 2025 (Online) 28th January Morning Shift

Question

A wire of resistance R is bent into an equilateral triangle and an identical wire is bent into square. The ratio of resistance between the two end points of an edge of the triangle to that of the square is

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

We know,

Side length of triangle

Side length of square

So, JEE Main 2025 (Online) 28th January Morning Shift Physics - Current Electricity Question 12 English Explanation

and

and

Hence,

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About this question

This is a previous-year question from JEE Main 2025, 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.