Find the potential difference between point a and point b for the situation shown below. Here E 1 = 12.0 V, E 2 = 9.27 V and R 1 = 3.93 , R 2 = 5.24...

Find the potential difference between point a and point b for the situation shown below. Here 

E1 = 12.0 V,

 E2 = 9.27 V

and 

R1 = 3.93 Ω,

 R2 = 5.24 Ω,

 and 

R3 = 2.48 Ω.

Va − Vb

 = V

https://www.webassign.net/webassignalgphys1/21-p-035.gif