š

(magnet) ¶֧ ѵطö֧ٴѺ ԡ ⤺ŵ
ç (line of magnetic force) 鹷ѡԷʵ˹ ١ʴȷҧͧç硷͡ҡ˹ çѴѹ
ʹ (magnetic field) ¶֧ dzöç֧ٴ件֧

ٻʴç

ѵԢͧ
ѵ ѧ
            1. ö֧ٴкҧԴ
            2. 2 ˹ Т
            3. ǹ硷ŧǴعҧҺ ѧҡش 硨ҧǷ˹-
            4. 硪Դǡѹ͡çѡѹ Ң ҧԴѹд֧ٴ觡ѹСѹ


÷͡ç֧ٴͼѡѺ ͡ 3 Դ
            1. ferromagnetic substance 硷ٴѺҧعç ԡ ⤺ŵ
            2. ferramagnetic substance 硪ԴٴѺҧ͹ ҹ ͡ਹ
            3. dimagnetic substance ÷ѡѺ ʿ ѷ

ªͧ
ªͧ
            1. ª㹡¡͡ҡѵ
            2. ʴط㹹
            3. ͧԵ俿
            šСͺ觵ҧ ҡ 駷µç Թ Թ öµç ʹ ҹԷԾŵͤͧҧҡ ੾͡šա¹ŧʹ