所屬欄目:電磁學(xué)
Well known,the initial formal expression of Coulomb’s is asThe formula expresses the force F acted on a rest mass particle with charge Q and placed in xby another rest mass particle with charge Q′ and situated at position x′. Clearly,whenconsidering the c ......(本文共 9670 字 , 7 張圖) [閱讀本文] >>