The force acting on each pole of a magnet when placed in a uniform magnetic field of `7A//m` is `4.2xx10^(-4)N`. If the distance between the poles is `10 cm`, the moment of the magnet is
A. `(15)/(pi)`
B. `(pi)/(15)Am^(2)`
C. `7.5xx10^(-12)Am^(2)`
D. `6xx10^(-6)Am^(2)`