JEE Main 2025 — Current Electricity Question with Solution
From: JEE Main 2025 (Online) 7th April Morning Shift
Question
A wire of resistance is bent into a triangular pyramid as shown in figure with each segment having same length. The resistance between points and is . The value of is :

This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation
As

(As balanced wheat stone bridge is formed) Now, Equivalent resistance between A and B can be written as
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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.