Ch$24$B Parallel Wires: Two long parallel wires are $0\mathrm{.}400$ m apart and carry currents of $4\mathrm{.}00$ A and $6\mathrm{.}00$ A $.$ What is the magnitude of the force per unit length that each wire exerts on the other wire? $)=(4{10}^{-7}(T)*\frac{m}{A}$

$2\mathrm{.}00\frac{N}{m}$

$16\mathrm{.}0\frac{N}{m}$

$5\mathrm{.}00\frac{N}{m}$

$12\mathrm{.}0\frac{N}{m}$