Find the equivalent resistance between two ends of the following circuit

Find the equivalent resistance between two ends of the following circuit
  1. $\frac{r}{9}$
  2. $\frac{\mathrm{r}}{3}$
  3. r
  4. $\frac{\mathrm{r}}{6}$

Solution


All are in parallel
$\mathrm{R}_{\mathrm{eq}}=\frac{\mathrm{r} / 3}{3}=\mathrm{r} / 9$

Asked in: JEE Main 2025 (28 Jan Shift 1)

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