If the switch in the figure below is closed, use the values given to find the potential difference between the following points. (Let emf = 20 V and R = 29 Ω. Assume the wires are ideal.)
www.webassign.net/katzpse1/29-p-004-alt.png
I have to answer this question using the question above
(a) Vb − Va=V
(b) Vc − Vb=V
(c) Vd − Vc=V
(d) Va − Vd=V