505第五节 电磁感应现象.pdf

涓婚浜 鐢典笌纾佸強鍏跺簲鐢 绗簲鑺 鐢电鎰熷簲鐜拌薄 鏁欏璁捐妗堜緥

璇剧▼鍐呭 绗簲鑺 鐢电鎰熷簲鐜拌薄

璇剧▼绫诲瀷 鍚彂璁叉巿璇 璇炬椂 2 瀛︽椂 鏈妭涓昏璁╁鐢熶簡瑙ｇ數纾佹劅搴旂幇璞＄殑鍙戠幇杩囩▼锛屼綋浼氱瀛 鎺㈢储涓瀛︽€濇兂鍜岀瀛︽€佸害鐨勯噸瑕佷綔鐢ㄣ€傞€氳繃瀹為獙锛屾帰绌舵劅搴 鐢垫祦浜х敓鐨勬潯浠跺拰鏂瑰悜锛涜兘鍒╃敤鍙虫墜瀹氬垯锛屽垽鏂棴鍚堝洖璺殑涓€

鏁欐潗鍐呭 閮ㄥ垎瀵间綋鍦ㄧ鍦轰腑鍋氬垏鍓茬鎰熺嚎鐨勮繍鍔ㄦ椂锛屼骇鐢熺殑鎰熷簲鐢垫祦鐨 鍒嗘瀽 鏂瑰悜銆傞€氳繃瀹為獙锛屼簡瑙ｆ劅搴旂數鍔ㄥ娍鐨勬蹇碉紝鐞嗚В娉曟媺绗數纾佹劅 搴斿畾寰嬶紝鑳借繘琛岀畝鍗曠殑璁＄畻銆傝兘鍒椾妇鐢电鎰熷簲鐜拌薄鍦ㄧ敓浜с€佺敓 娲讳腑鐨勫簲鐢ㄥ疄渚嬨€ 瀛︾敓鍦ㄥ垵涓帴瑙﹁繃鐢电鎰熷簲鐜拌薄锛岀煡閬撻棴鍚堝洖璺殑閮ㄥ垎瀵 浣撳垏鍓茬鎰熺嚎鏃讹紝鍙互浜х敓鎰熷簲鐢垫祦锛屼絾鏄笉鐭ラ亾鏇存櫘閬嶇殑鐢

瀛︽儏鍒嗘瀽 纾佹劅搴旂幇璞″強鍏朵骇鐢熷師鍥狅紝浠ュ強鎰熷簲鐢垫祦鐨勬柟鍚戝浣曞垽瀹氥€備腑 鑱岀墿鐞嗚鍦ㄥ垵涓墍瀛︾煡璇嗙殑鍩虹涓婏紝杩涜鏇存繁鍏ュ湴瀛︿範锛屽洜姝わ紝 涔熷叿鏈夎緝澶х殑闅惧害銆 1锛庡缓鏋勭數纾佹劅搴斻€佹劅搴旂數鍔ㄥ娍绛夋蹇碉紝褰㈡垚闂悎瀵间綋鍥炶矾 涓殑纾侀€氶噺鍙戠敓鍙樺寲鍙互浜х敓鎰熷簲鐢垫祦銆佹劅搴旂數娴佺殑鏂瑰悜鍙互 鐢ㄥ彸鎵嬪畾鍒欏垽鏂€佹劅搴旂數鍔ㄥ娍鐨勫ぇ灏忓彲浠ョ敤娉曟媺绗數纾佹劅搴斿畾 寰嬭繘琛岃绠楃瓑鐗╃悊瑙傚康锛屽苟搴旂敤鍏剁悊瑙ｅ彂鐢垫満鐨勫伐浣滃師鐞嗭紝瑙 鍐崇畝鍗曠殑鐢电鎰熷簲鏂归潰鐨勯棶棰樸€