Due to external forces the area of the loop decreases at a

Question

A circular copper loop is placed perpendicular to a uniform magnetic field of 0.75 T. Due to external forces, the area of the loop decreases at a rate of 7.26 × 10-3 m2/s. Determine the induced emf in the loop. A) 3.1 × 10-4 V B) 6.3 × 10-4 V C) 1.2 × 10-3 V D) 5.4 × 10-3 V E) 3.1 V