(Solved):   The diagram shows a conducting rod of length \( L \) being moved in a region of uniform ma ...

 

The diagram shows a conducting rod of length \( L \) being moved in a region of uniform magnetic field \( B \). The field is directed at right angles to the plane of the paper. The rod slides on conducting rails at a constant speed \( v \). A resistofito resistance \( R \) connects the rails.