Posted by brad on Wednesday, February 20, 2013 at 10:32pm.
the total potential difference from point A to point B in a circuit is +5 V. The total potential difference from point A to point C in a circuit is 16 V. What must be the potential difference from point B to point C?

physics  JJ, Thursday, February 21, 2013 at 1:08pm
A  B = +5
A  C = 16
Do between BC we must have 21