Two long, straight wires are oriented perpendicular to the $xy$-plane. They carry currents of equal magnitude in opposite directions as shown in the figure. What is the direction of the magnetic field due to these currents at point P?
$y$
$A$
$a$
$H$
$B$
$P$
$G$
$C$
$x$
$b$
$a$
$F$
$D$
$E$
Lütfen birini seçin:
$a$. $H$
$b$. $A$
$c$. $B$
$d$. $G$
$e$. $D$
$f$. $F$
$g$. $E$
$h$. $C$