The figure below shows two concentric loops of wire. The bottom loop carries a current i the counterclockwise direction. If the magnitude of the current i is decreasing, which of t following statements describes the vertical component of the force on the top loop due t the induced current in the top loop and the magnetic field produced by the bottom loop? r R The force direction cannot be determined from the given information. The force is zero. downward upward

The figure below shows two concentric loops of wire. The bottom loop carries a current i the counterclockwise direction. If the magnitude of the current i is decreasing, which of t following statements describes the vertical component of the force on the top loop due t the induced current in the top loop and the magnetic field produced by the bottom loop? r R The force direction cannot be determined from the given information. The force is zero. downward upward