The Garshelis effect is the effect wherein a circumferentially magnetized rod of ferromagnetic, magnetostrictive material generates a net axial magnetic field in response to an applied torque.
References
Garshelis effect Wikipedia(Text) CC BY-SA
The Garshelis effect is the effect wherein a circumferentially magnetized rod of ferromagnetic, magnetostrictive material generates a net axial magnetic field in response to an applied torque.