State any rule that relates the direction of electric current and the direction of accompaying magnetic field?

What is the significance of direction of electric current?

What is the direction of electric field intensity vector vecE ?

How is the direction of current related to the direction of flow of electron in a wire?

state the rule to determine the direction of a current induced in a coil due to its rotation in a magnetic field.

In an electric circiut the direction of current in a cell is-