In the circuit shown below, the value of the output voltage \(V_0\) is \(\_\_\_\_\_\) V.
The circuit has two 1 \(\Omega\) resistors in series along the top, forming three nodes: a left node, a middle node, and the output node (\(V_0\) is measured between the output node and the bottom rail). Two 2 \(\Omega\) resistors connect the left node to the bottom rail, one 2 \(\Omega\) resistor in series with a 4 V source connects the middle node to the bottom rail, and another 2 \(\Omega\) resistor in series with a 4 V source connects the output node to the bottom rail. The output terminals are open, so no external load draws current.