A horizontal wire carries a current straight out of the screen/page. The magnetic field as seen by you the observer at a point directly below the wire points Hint: RIght Hand Rule, magnetic force, cross product A) directly away from you. B) to the left. C) to the right. D) directly toward you. E) vertically upward.

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.

its lower due to the doppler effect.: apex