When is a magnetic field generated?

whenever a current is passing through a wire
whenever a wire is in contact with a permanent magnet
at the instant when the current through a wire stops
at the instant when the current changes direction

Question

When is a magnetic field generated?

whenever a current is passing through a wire
whenever a wire is in contact with a permanent magnet
at the instant when the current through a wire stops
at the instant when the current changes direction

anonymous · Answer

@Garm @sammyjpod @bibby @Captain_Page_Turner @CrazyTurtle483

anonymous · Answer

@april115 @britneyspears @carla16095 @Destinymasha

anonymous · Answer

so what do you think generates magnetic field? also please dont do this

anonymous · Answer

idk

destinymasha · Answer

i think a ?

destinymasha · Answer

-keep that in mind....forever

anonymous · Answer

magnetic field is generated whenever a current is passing through a wire.