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1.发现电流的磁效应,首次揭示了电现象与磁现象之间的联系的科学家是A.伽利略B.库仑C.奥斯特D.牛顿2.关于磁场和磁感线的描述,正确的说法有A.磁极之间的相互作用是通过磁场发生的,磁场和电场一样,也是一种物质B.磁感线是真实存在的,电场线是不存在的
1. The discovery of the magnetic effect of currents, the first to reveal the connection between the electrical phenomenon and the magnetic phenomenon is A. Galileo B. Coulomb C. Oster D. Newton 2. Description of magnetic fields and lines of magnetic induction, correct There are arguments A. The interaction between the magnetic poles occurs through the magnetic field. The magnetic field is the same as the electric field. It is also a material. B. The magnetic induction line is real and the electric field line does not exist.