Question

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

A．奥斯特           B．欧姆             C．法拉第           D．沈括

发现电流的磁效应      发现安培定则          发现磁偏角          发现电磁感应

 

Answer 1

【答案】

A

【解析】

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．