A Circular Loop (Area = 0

Multiple Choice

A circular loop (area = 0.20 m²) turns in a uniform magnetic field with B = 0.13 T.At an instant when the angle between the magnetic field and the normal to the plane of the loop is π rads and is decreasing at the rate of 0.50 rad/s,what is the magnitude of the emf induced in the loop?

A) zero
B) 13 mV
C) 26 mV
D) 20 mV