JEE Main 2022 — Current Electricity Question with Solution
From: JEE Main 2022 (Online) 27th July Evening Shift
Question
In the given figure of meter bridge experiment, the balancing length AC corresponding to null deflection of the galvanometer is . The balancing length, if the radius of the wire is doubled, will be ______________ .
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Step-by-step explanation
Even if the radius of wire is doubled, the balancing point would not change as , which is not including a term of area.
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This is a previous-year question from JEE Main 2022, 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.