Question

What is the equivalent resistance between A and B in the given network?

Answer 1

The equivalent resistance is 4 ohms.
First calculate the resistance in parallels.
$\frac{1}{r} = \frac{1}{3} + \frac{1}{6}$
$r = 2$
Now we have to add resistance in series.
R equivalent = 2 +2 =4 ohms