5 V battery with metal wires attached to each end.

What are the potential differences ΔV12=V2−V1, ΔV23=V3−V2, ΔV34=V4−V3, and ΔV41=V1−V4?

Enter your answers numerically separated by commas

ΔV12, ΔV23, ΔV34, ΔV41 =