A Bar Magnet Is Pushed Through a Coil of Wire $\vec { B }$

Multiple Choice

A bar magnet is pushed through a coil of wire of cross-sectional area 0.020 m² as shown in the figure.The coil has seven turns,and the rate of change of the magnitude of the $\vec { B }$ field in it due to the motion of the bar magnet is 0.040 T/s.What is the magnitude of the induced emf in that coil of wire?

A) 5.6 × 10^-3 V
B) 5.6 × 10^-2 V
C) 5.6 × 10^-1 V
D) 5.6 × 10^-4 V
E) 5.6 × 10^-5 V