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(C) $1$. Identify the parallel combination: Two resistors of $5 \, \Omega$ each are connected in parallel. The equivalent resistance $(R_p)$ of this p

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$12.5 \, \Omega$

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(C) $1$. Identify the parallel combination: Two resistors of $5 \, \Omega$ each are connected in parallel. The equivalent resistance $(R_p)$ of this parallel part is given by $\frac{1}{R_p} = \frac{1}{5} + \frac{1}{5} = \frac{2}{5}$,so $R_p = 2.5 \, \Omega$.$2$. Identify the series combination: The circuit now consists of three resistors in series: the equivalent resistance $R_p = 2.5 \, \Omega$,and two other resistors of $5 \, \Omega$ each.$3$. Calculate total resistance: The total equivalent resistance $(R_{eq})$ is the sum of these resistances in series: $R_{eq} = 2.5 \, \Omega + 5 \, \Omega + 5 \, \Omega = 12.5 \, \Omega$.

The equivalent resistance between points $A$ and $B$ in the following electric circuit is:

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