What happens in the wires when the battery connections are reversed?

When the battery connections are reversed the amount of remains the same, however, it moves in a different direction. An electric battery contains electrochemical cells with external connections provided to power electrical devices such as flashlights, cars, and charging phones. When a battery is supplying electric power, its positive terminal is the cathode and its negative terminal is the anode. 

Answer///air resistance,drag;

Aand b antarctica is a north pole.  field lines enter earth near the north pole.the magnetic pole near antarctica is a north pole.compasses point toward a magnetic pole that is a north pole.field lines circle earth from east to west.a compass can lead a hiker to the geographic north pole.