Practice with Induction Part 1 - Moving Rails In the systems below, one or more of the wires is sliding along fixed metal rails in a magnetic field. Determine the direction of the missing quantity (induced current or B- field) in each case. 1 . X X 2. O O O X X X O X X X X X X O O B - into page B - out of page 3. 4 . O O X X v B - into page B = 0 5. 6. V S 7. I= 0 A 8. V VV