A conducting bar mass `m` and length `l` moves on two frictionless parallel conducting rails in the presence of a uniform magnetic field `B_(0)` directed into the paper. The bar is given an initial velocity `v_(0)` to the right and is released at `t = 0`. The velocity of the bar as a function of time is given by

A conducting bar of mass m and length l moves on two frictionless parallel rails in the presence of a constant uniform magnetic field of magnitude B directed into the page as shown in the figure . The bar is given an initial velocity v_(0) towards the right at t = 0. Then the

A conducting rod shown in figure of mass m and length l moves on two frictionless horizontal parallel rails in the presence of a unifom magnetic field directed into the page., The rod is given an initial velocity v_0 to the right and is released at t=0 . Find s a function of time a. the volocity of the rod b. the induced current and c. the magntitude of the induced emf.

A conducting rod shown in figure of mass m and length l moves on two frictionless horizontal parallel rails in the presence of a unifom magnetic field directed into the page., The rod is given an initial velocity v_0 to the right and is released at t=0 . Find s a function of time a. the volocity of the rod b. the induced current and c. the magntitude of the induced emf.

A bar of mass m and length l moves on two frictionless parallel rails in the presence of a uniform magnetic field directed into the plane of the paper. The bar is given and initial velocity v_(i) to the right and released. Find the velocity of bar, induced emf across the bar and the current in the circuit as a function of time

A bar of mass mand length I moves on two frictionless parallel rails in the presence of a uniform magnetic field directed into the plane of the paper. The bar is given an initial velocity v_(i) to the right and released. Find the velocity of bar, induced emfacross the bar und the current in the circuit as a function of time.

A conducting movable rod AB lies across the frictionless parallel conducting rails in a uniform magnetic field vecB whose magnitude at t=0 is B_(0) . The rod AB is given velocity v right ward and it continues to move with same velocity through out the motion [The acceleration due to gravity is along negative z- axis, i.e. vecg=10m//s^(2)(-hatk) , mass of rod =m .] Which of the following graphs will be the best representation of magnitude of magnetic field versus time.