A horizontal bar of length L=0.14m is moving in a magnetic field B of unknown magnitude and direction with velocity v=−5.0m/s j . As a result of the motion,
A) An induced current will flow along the bar
B) The bar will experience a magnetic force in the positive x-direction
C) The bar will experience a magnetic force in the negative x-direction
D) The bar will experience a magnetic force in the positive y-direction