The circular loop of wire rotates about the diameter in the magnetic field which is perpendicular to the axis of rotation. Looking in the direction of the field at the loop the induced current is:
(i) Always clockwise
(ii) Always counter clockwise
(iii) Clockwise in the lower half of the loop and counter-clockwise in the upper half
(iv) Clockwise in the upper half of the loop and counter-clockwise in the lower half
(v) At times clockwise and at times counterclockwise
(Please describe your answer)