4. In the figure below, the conducting rod has length L = 0.1 m and is being pulled along horizontal frictionless conducting rails at a constant velocity with v = 5 m/s. The rails are connected at one end with a metal strip. The rod has resistance of 0.4 Ω and the rails and connector have negligible resistance. A uniform magnetic field B = 1.2 T out of the page fills the region in which the rod moves. It is correct that

(A) the magnitude of the emf induced in the rod is 0.6 V
(B) the induced current is 1.5 A
(C) the induced current is clockwise
(D) the leftward external force needed to keep the rod moving at constant velocity is 1.8 N
(E) the power associated with the force is 3.0 W