Two parallel wires carry equal currents in the opposite directions. Point A is mid$-$ way between the wires, and B is an equal distance on the other side of the wires. What is the ratio of the magnitude of the magnetic field at point A to that at point B$?1.$BA $=1$ BB $2$

$2.$ BA $=2$ BB $3$

$3.$B $=3$ BB

BA $54.$ B $=2$

B

$5.$BA $=2$ BB

$6.$ BA $=4$ BB

$7.$BA $=1$ B$3$

B

$8.$BA $=4$ BB $3$

$9.$BA $=0$ BB

$10.$ BA $=10$