Two long rails are hporizontal and parallel to each. On one end, the rails are connected by a resistance R and on the other end a cpacitor of capacitance C is connected as shown in the figure . A connecter of mass m and length l can slide on the rails without friction. Uniform magnetic field B, perpendicular to he plane of hte gigure exists in space. A constant horizontal force F starts acting on hte connector. What is the acceleration of connector when its veleocity is (3)/(4) of its terminal velocity?

Two long rails are hporizontal and parallel to each. On one end, the r

1.	Two long rails are hporizontal and parallel to each. On one end, the rails are connected by a resistance R and on the other end a cpacitor of capacitance C is connected as shown in the figure . A connecter of mass m and length l can slide on the rails without friction. Uniform magnetic field B, perpendicular to he plane of hte gigure exists in space. A constant horizontal force F starts acting on hte connector. What is the acceleration of connector when its veleocity is (3)/(4) of its terminal velocity?
Answer» `(3F)/(4(m+CB^(2)I^(2))` `(F)/((m+CB^(2)I^(2)))` `(F)/(4(m+CB^(2)I^(2)))` `(4F)/(3(m+CB^(2)I^(2)))` ANSWER :B

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