Course Solutions Uncategorized (Solved) : 2 Shown Figure 1 U Shaped Wire Width L Placed Uniform External Magnetic Field B Directed P Q32812458 . . . .

(Solved) : 2 Shown Figure 1 U Shaped Wire Width L Placed Uniform External Magnetic Field B Directed P Q32812458 . . . .

 

2. As shown in the figure 1, a U-shaped wire of width L is placed in a uniform external magnetic field B that is directed perpendicularly into the plane of the wire. On top of the wire, a metal rod with resistance R is placed, and the rod is forced to move at constant speed v along horizontal line to the right. Answer to the questions below using the given variables B, R L and v. Both the resistance of the wire and the friction between the rod and the wire are negligible. (a) Find the induced electromotive force (emf) (b) Find the direction and the magnitude of the current induced in the loop. (c) Find the magnitude of the force to move the rod at constant speed. ㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨ ㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨㄨ FIG. 1: To the problem N2

2.

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