What rule can be used to determine the direction of the magnetic field inside the coil of electric current?
October 23, 2020 | Education
| The screw rule. If the screw is placed perpendicular to the plane of the loop of the wire with current, then the direction of the magnetic field lines in the middle of the loop coincides with the direction of movement of the screw along the thread when it rotates in the direction of the current in the loop.
