JEE Main 2022 — Current Electricity Question with Solution
From: JEE Main 2022 (Online) 28th July Morning Shift
Question
As shown in the figure, a potentiometer wire of resistance and length is connected with resistance box (R.B.) and a standard cell of emf . For a resistance '' of resistance box introduced into the circuit, the null point for a cell of is found to be . The value of '' is ___________
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Show full solutionCorrect answer: 780
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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.