JEE Main 2021 — Current Electricity Question with Solution
From: JEE Main 2021 (Online) 17th March Evening Shift
Question
Two cells of emf 2E and E with internal resistance r1 and r2 respectively are connected in series to an external resistor R (see figure). The value of R, at which the potential difference across the terminals of the first cell becomes zero is
This question includes a diagram. The text above accompanies the figure.
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Show full solutionCorrect option: B
Correct answer
B
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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.