BBC10 个月
Fleming’s left hand rule – Higher
the current in the wire increases the strength of the magnetic ... hand rule. Hold your thumb, forefinger and second finger at right angles to each other: the forefinger is lined up with magnetic ...
BBC1 年
Fleming’s left hand rule - Higher
the current in the wire increases the strength of the magnetic ... hand rule. Hold your thumb, forefinger and second finger at right angles to each other: the forefinger is lined up with magnetic ...