The figure shows three conducting wires carrying electric currents flowing perpendicular to the page. What is the magnitude of the line integral
o\int vec(B).dvec(s)
along the path represented by the dashed line? ( 2 points) A.
8I\mu _(0)
B.
7I\mu _(0)
C.
3I\mu _(0)
D.
4I\mu _(0)