Using Kirchhoff's rules, find the following. (EMF1 = 70.2 V, EMF₂ = 61.2 V, and EMF3 = 78.0 V.)
a) ( Vtotal = 209.4 , V )
b) ( Itotal = 1.5 , A )
c) ( Rtotal = 139.6 , Ω )
d) ( Ptotal = 209.4 , W )