Initially plane of coil is parallel to the uniform magnetic field B. In time $\Delta{t}$it makes to perpendicular to the magnetic field, then charge flows in $\Delta{t}$ depends on this time as -

Question

( A ) $\propto(\Delta{t})^{\circ}$
( B ) $\propto\Delta{t}$
( C ) $\propto{\frac{1}{\Delta t}}$
( D ) $\propto(\Delta t)^{2}$