A Conducting Loop Has an Area of 0

Multiple Choice

A conducting loop has an area of 0.065 m² and is positioned such that a uniform magnetic field is perpendicular to the plane of the loop.When the magnitude of the magnetic field decreases to 0.30 T in 0.087 s,the average induced emf in the loop is 1.2 V.What is the initial value of the magnetic field?

A) 0.42 T
B) 0.75 T
C) 0.87 T
D) 1.2 T
E) 1.9 T