A compass originally points North. You lay a wire on top of the compass, oriented North-South. The wire is about 4 mm above the compass needle. You connect the wire to a battery, and the compass needle deflects 14° to the East, as shown.
North
(a) On the diagram draw an arrow indicating the direction of the conventional current in the wire.
(b) Calculate the magnitude of the conventional current in the wire. Show all steps in your work.