JEE Main 2024PhysicsCurrent ElectricityWheatstone BridgemediumMCQ

JEE Main 2024Current Electricity Question with Solution

From: JEE Main 2024 (Online) 27th January Morning Shift

Question

A wire of length and radius connected across the right gap of a meter bridge. When a resistance of is connected on the left gap by using a resistance box, the balance length is found to be at from the left end. If the resistivity of the wire is , then value of is :

Choose an option

Show full solutionCorrect option: C
Correct answer
C66

Step-by-step explanation

For null point,

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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.