Question

下列关于科学家与他们的重大发现的说法中正确的是                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

1. A.
   奥斯特
2. B.
   欧姆
3. C.
   法拉第
4. D.
   沈括

Answer 1

A
试题分析：A、奥斯特最早发现电流的磁效应；
B、欧姆发现欧姆定律；
C．法拉第发现电磁感应；
D．沈括发现磁偏角。
A故选A。
考点：物理常识．
点评：解决此类问题需要掌握基本的物理学常识，平时应注意积累．