A Rectangular Coil of Length L = 20 Cm and Width

Multiple Choice

A rectangular coil of length l = 20 cm and width w = 15 cm is moving at a constant speed v = 5 m/s.It enters a region of uniform magnetic field B = 0.2 T from the left.While the coil is completely immersed in the field,the voltage across points a and b is

A) 0.20 V
B) 0.15 V
C) -0.20 V
D) -0.15 V
E) zero