Question: 15) A conducting rod whose length is = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having

15) A conducting rod whose length is = 1.60 m is placed

15) A conducting rod whose length is = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00 2 as shown in the figure. The rails and the rod are in the plane of the page. A constant uniform magnetic field of strength 2.20 T is applied perpendicular to and out of the paper. What is the magnitude of the external applied force needed to move the rod to the right with a constant speed of 6.00 m/s? B-field out ()

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