An Ac Generator Contains 80 Flat Rectangular Loops of Wire,each $\vec { B }$

Multiple Choice

An ac generator contains 80 flat rectangular loops of wire,each of which is 12 cm long and 8 cm wide.The loops rotate at 1200 rpm about an axis through the center and parallel to the long side.If the $\vec { B }$ field in which the loop rotates is uniform,has magnitude 0.30 T,and 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) 35 V