无限长直电流磁场中导体上的电动势

EMF of Conductor in Infinitely Long Straight Current Magnetic Field

研究了无限长直电流磁场中导体的电动势问题.当电流恒定,导体匀速远离电流,导体上的电动势的大小将随时间t增加而减小;若导体沿着电流方向移动,则电动势为零.当电流随时间按照正弦规律变化而导体静止时,导体上的电动势大小将随时间t按余弦规律变化.

Problems about EMF of Conductor in infinitely long straight current magnetic field are discussed.When current is constant and conductor is moving away from the current in uniform,the EMF of conductor will decrease with time t increasing.If the conductor is moving along with the direction of current,the EMF is zero.And if the current changes as sine regular with time and the conductor stay static,the EMF of the conductor will change as cosine regular with time t.