Voltage source placement
Figure 1 and 2. OP's original circuits.

Technically the first one isn't a circuit as there is no circular current path and no current can flow. 

The second one is just R1 in parallel with V. The other components are only connected at one end so no current flows in them so they can be omitted without changing the circuit.









simulate this circuit &ndash; Schematic created using CircuitLab

Figure 3. Simplification of revised first circuit.