The order in which events occur is called a O Topic sentence
w
O Paragraph
O Sequence
O Transition

It is sequence.

Explanation:

particular order in which related things follow each other.

lets none because you provide no details.

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).