THE + AND - SIGNS
DEFINE THE
REFERENCE
POLARITY
IF THE NUMBER V IS POSITIVE POINT A HAS V
VOLTS
MORE
THAN POINT B.
IF THE NUMBER V IS NEGATIVE POINT A HAS
|V|
LESS
THAN POINT B
POINT A HAS 2V MORE
THAN POINT B
POINT A HAS 5V LESS
THAN POINT B
