A residual magnetic field is always?
A、Stronger than the magnetic field producing it;
B、Weaker than the magnetisiing field producing it;
C、Equal to the magnetising field producing it;
D、None of the above
发布时间:2025-02-18 18:34:46
A、Stronger than the magnetic field producing it;
B、Weaker than the magnetisiing field producing it;
C、Equal to the magnetising field producing it;
D、None of the above