The bar in Figure OQ31.6 moves on rails to the right with a velocity , and a uniform, constant magnetic field is directed out of the page. Which of the following statements are correct? More than one statement may be correct.
(a) The induced current in the loop is zero.
(b) The induced current in the loop is clockwise.
(c) The induced current in the loop is counterclockwise.
(d) An external force is required to keep the bar moving at a constant speed.
(e) No force is required to keep the bar moving at a constant speed.
