What is happening
You are called to a battery bank feeding a comms mast.
One component in the loop is unaccounted for. The source supplies 9.0 V, and the known drops total 5.4 V.
Accounted drops
13.68V
Source EMF
9V
Current splitter. Unknown component drop at 8.28 V. Accounted drops 13.68 V, Source EMF 9 V. Currently accounted drops is over by 4.68 V.
What is happening
You are called to a battery bank feeding a comms mast.
One component in the loop is unaccounted for. The source supplies 9.0 V, and the known drops total 5.4 V.