Problem $4($

$(...14$ pos $)$

$1-$ Three very long wires carry current as seen in the figure below.

$-1.$ f$-$ld A at noint $O,$ located along wire $2.(\frac{-}{6}pts)$

E

II$-$ In the figure below, a long wire carries current $I_1=15\mathrm{.}0A,$ and current $I_2,I_2=30\mathrm{.}0A,$ is going through the rectangular loop of dimensions $10\mathrm{.}0cm30\mathrm{.}0cm.$

a$)$ Find the direction or the magneuc noru vi vinan....

$3.$ Explain $(.../1$ pts$)$

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b$)$ In the figure above, draw the forces exerted on each segment of the rectangular loop due to the current in the long wire. Explain. $(.../3$ pts$)$

c$)$ Find the magnitude and direction of the net force exerted on the loop by the magnetic