If the ammeter in the given circuit reads $2\, A$, the resistance $R$ is ............ $ohm$
Medium
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(a) $i = \frac{V}{R} \Rightarrow \,2 = \frac{6}{{\frac{{6 \times 3}}{{6 + 3}} + R}} = \frac{6}{{2 + R}}$
$ \Rightarrow $ $R = 1\,\,\Omega $.
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