Qiaozhi
when you pass elctrons through a wire ,you get magnetic field around it.is this okay.
so think reverse when you form a round magnetic field you get ions gethered around it.
is this imposibble
when you pass elctrons through a wire ,you get magnetic field around it.is this okay.
so think reverse when you form a round magnetic field you get ions gethered around it.
is this imposibble


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