A Wire Is Lying Horizontally in the North-South Direction and the Horizontal

Multiple Choice

A wire is lying horizontally in the north-south direction and the horizontal magnetic field is toward the east. Some positive charges in the wire move south and an equal number of negative charges move north. The direction of the force on the wire will be:

A) up, out of the page.
B) down, into the page.
C) east.
D) There is no magnetic force.