This result does not appear in the Study Tasks pane by default. Instead you can create it as a New Plot, after the analysis has run, by clicking ( ). Magnetic vector potential is listed in the Available results.
This result is an intermediate result that can be viewed to get a better understanding of the Joule Heat result. Check the direction and magnitude of the vectors and confirm that they are of an appropriate size and direction.
Figure 1: Magnetic vector potential in the mold