JEE Main 2024 — Current Electricity Question with Solution
From: JEE Main 2024 (Online) 31st January Evening Shift
Question
The resistance per centimeter of a meter bridge wire is , with resistance in left gap. Balancing length from left end is at with resistance in right gap. Now the wire is replaced by another wire of resistance per centimeter. The new balancing length for same settings will be at
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation

From (i) and (ii)
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 2024, 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.