JEE Main 2023 — Current Electricity Question with Solution
From: JEE Main 2023 (Online) 1st February Evening Shift
Question
Equivalent resistance between the adjacent corners of a regular n-sided polygon of uniform wire of resistance R would be :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
When, a uniform wire of resistance is shaped into a regular -sided polygon, the resistance of each side will be,
Let and be the resistance between adjacent corners of a regular polygon
The resistance of sides,
Since two parts are parallel, therefore,
Let and be the resistance between adjacent corners of a regular polygon
The resistance of sides,
Since two parts are parallel, therefore,
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Current Electricity chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2023, 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.