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

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The Answer of 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

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

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