JEE Main 2021 — Current Electricity Question with Solution
From: JEE Main 2021 (Online) 27th August Evening Shift
Question
The ratio of the equivalent resistance of the network (shown in figure) between the points a and b when switch is open and switch is closed is x : 8. The value of x is ___________.


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Show full solutionCorrect answer: 9
Correct answer
9
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This is a previous-year question from JEE Main 2021, 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.