For two identical cells each having emf E and internal resistance… | JEE Main 2026 Physics PYQ

MCQEasyJEE Main 2026 · 28 January, Shift 1Cells, EMF & Internal Resistance

For two identical cells each having emf $E$ and internal resistance $r$ , the current through an external resistor of $6\,\Omega$ is the same when the cells are connected in series as well as in parallel. The value of the internal resistance $r$ is _____ $\Omega$ .

A
$9$
B
$3$
C
$6$
D
$4$

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