CBSE 2023 · Region 3 · Set 1 · Q16 · 1 mark
Assertion (A) : The internal resistance of a cell is constant. Reason $\displaystyle (R)$ : Ionic concentration of the electrolyte remains same during use of a cell.
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Assertion (A) is false and Reason (R) is also false.
Current ElectricityCells, emf, Internal ResistanceUnderstandassertion_reasonmedium
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.