![An often used apparatus is called "Helmholtz coils". It consists of two circular wire loops as shown in the Figure. Notice that the currents in both coils have the same direction. Find An often used apparatus is called "Helmholtz coils". It consists of two circular wire loops as shown in the Figure. Notice that the currents in both coils have the same direction. Find](https://study.com/cimages/multimages/16/eeee2501374222795108861703.png)
An often used apparatus is called "Helmholtz coils". It consists of two circular wire loops as shown in the Figure. Notice that the currents in both coils have the same direction. Find
![5. Geometry of a Helmholtz coil showing the resulting magnetic field... | Download Scientific Diagram 5. Geometry of a Helmholtz coil showing the resulting magnetic field... | Download Scientific Diagram](https://www.researchgate.net/profile/Kurt-Terhune/publication/322739943/figure/fig5/AS:631616577749011@1527600535131/Geometry-of-a-Helmholtz-coil-showing-the-resulting-magnetic-field-lines-created-by-the.png)
5. Geometry of a Helmholtz coil showing the resulting magnetic field... | Download Scientific Diagram
![Helmholtz coil COMSOL Multiphysics Electromagnetic coil Magnetic field Electric current, corrugated lines, mirror, simulation, electric Current png | PNGWing Helmholtz coil COMSOL Multiphysics Electromagnetic coil Magnetic field Electric current, corrugated lines, mirror, simulation, electric Current png | PNGWing](https://w7.pngwing.com/pngs/855/891/png-transparent-helmholtz-coil-comsol-multiphysics-electromagnetic-coil-magnetic-field-electric-current-corrugated-lines-mirror-simulation-electric-current.png)