Three Loops of Wire,one Circular,one Rectangular,and One Square,are Made from Identical

Multiple Choice

Three loops of wire,one circular,one rectangular,and one square,are made from identical lengths of wire.If the loops are in the same increasing magnetic field perpendicular to the plane of the coils,which loop has the least induced emf?

A) the square one
B) the rectangular one
C) the circular one
D) All three would have the same emf induced.