A circular coil of 20 turns and radius $10\;cm$ is placed in a uniform magnetic field of $0.10\;T$ normal to the plane of the coil. If the current in the coil is $5.0 \;A$ What is the total force on the coil ?

Question

$\begin{array}{1 1} 2F \\ F \\ \frac{1}{2} F \\ 0 \end{array} $