Figure shows a conducting loop being pulled out of a magnetic field with a constant speed \( v \...

Figure shows a conducting loop being pulled out of a magnetic field with a constant speed \( v \). Which of the four plots shown in figure may represent the power delivered by the pulling agent as a function of the constant speed \( v \).
(a) \( A \)
(b) \( B \)
(c) \( C \)
(d) \( D \)