|
|
| Cylindrical Coil | | Field of a Conductor | | Electromagnet | |
| Field of Twin Conductors | | Field of a High-tension Line | |
| Compensation of the Earth's Magnetic Field | |
Field of Twin ConductorsThe illustration shows the magnetic lines of field surrounding two parallel conductors carrying currents of equal magnitude and equal direction. |
 |
|
|
|
|
The magnetic field generated by currents of equal magnitude but opposite direction. |
 |