Using 'double-subscript notation', UAB is read as meaning
A) voltage A-B'.
B) the potential at A with respect to B'.
C) the potential at B with respect to A'.

Question

Quizplus · Accepted Answer

In double-subscript notation, the first subscript denotes the location of the "reference point" (in this case B) and the second subscript denotes the location of the "test point" (in this case A). Therefore, UAB represents the potential at A with respect to B'.

Using 'Double-Subscript Notation', UAB Is Read as Meaning