![How is the Field Generated? | Earth 520: Plate Tectonics and People: Foundations of Solid Earth Science How is the Field Generated? | Earth 520: Plate Tectonics and People: Foundations of Solid Earth Science](https://www.e-education.psu.edu/earth520/sites/www.e-education.psu.edu.earth520/files/image/geodynamo/electron_spin.jpg)
How is the Field Generated? | Earth 520: Plate Tectonics and People: Foundations of Solid Earth Science
If a current is a flow of electrons, then how can it be generated from magnetic fields? Wouldn't it break the principle of magnetic field generating electrons i.e. energy creating mass? -
![electrons - Effect of a magnetic field on cathode rays in a cathode ray tube - Physics Stack Exchange electrons - Effect of a magnetic field on cathode rays in a cathode ray tube - Physics Stack Exchange](https://i.stack.imgur.com/SaF6l.png)
electrons - Effect of a magnetic field on cathode rays in a cathode ray tube - Physics Stack Exchange
![electromagnetism - Why do electrons and positrons exhibit opposite helical motion in a magnetic field? - Physics Stack Exchange electromagnetism - Why do electrons and positrons exhibit opposite helical motion in a magnetic field? - Physics Stack Exchange](https://i.stack.imgur.com/FXl1T.png)
electromagnetism - Why do electrons and positrons exhibit opposite helical motion in a magnetic field? - Physics Stack Exchange
![The direction of movement of electrons through a magnetic field is depicted. \"The force felt by the electrons due to the influence of the magnetic field is into the plane of the The direction of movement of electrons through a magnetic field is depicted. \"The force felt by the electrons due to the influence of the magnetic field is into the plane of the](https://haygot.s3.amazonaws.com/questions/1848996_575e3cefc1fa4b9eb6241c15aecab563.png)