An Ac Generator Has 80 Rectangular Loops on Its Armature

Multiple Choice

An ac generator has 80 rectangular loops on its armature. Each loop is 12 cm long and 8 cm wide. The armature rotates at 1200 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.30 T, which is perpendicular to the axis of rotation, what will be the maximum output voltage of this generator?

A) 20 V
B) 27 V
C) 29 V
D) 33 V
E) 35 V