JEE MAIN - Physics (2023 - 30th January Evening Shift - No. 7)
The equivalent resistance between $A$ and $B$ is _________.
_30th_January_Evening_Shift_en_7_1.png)
$\frac{1}{2} \Omega$
$\frac{2}{3} \Omega$
$\frac{3}{2} \Omega$
$\frac{1}{3} \Omega$
Explanation
Equivalent circuit can be drawn as
_30th_January_Evening_Shift_en_7_2.png)
$$\therefore$$ $$\frac{1}{R_{AB}}=\frac{7}{12}+\frac{1}{4}+\frac{2}{3}$$
$$R_{AB}=\frac{2}{3}~\Omega$$
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