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認識電磁場

凯发体育app109.04.08 gengxin

什麼是電磁波?

「diancibo」shiyoudianchangyucichangjiaohuzuoyongsuochansheng,shunengliangdeyizhong。tayibodexingshijiejinguangdesudujinxingchuandi,ziguyilaijiuyigezhongmianxiangcunzaiwudaziran。

diancichanghediancibodechayi﹕yibanmeitihuominzhongzaitandaozheleiyitishi,changyi「diancibo」tongchengjuduo,erguojijiandeyanjiuzuzhizaiyanjiushangdouchengwei「diancichang」。 ruozixiqufendehua,jiukefaxiandiancichangyudiancibodebutong!

認識電磁波

「feiyoulifushe」xizhipinlvxiaowu3×10de15cifanghedediancibo,yibansuchengdiancibozhejieshucilei。tadenengliangjiaoweiruo,wufadaduanyuanzidejianjiechanshengyoulihua。

「youlifushe」xizhipinlvdawu3×10de15cifanghe(hz)dediancibo,yibanchangchenghuweifushehuofangshexian;zuiweirensuozhideyoulifushejiushixguang,tadepinlvbiqifeiyoulifushegaodeduo,yinciyiyuandexguangshidouyouqianbanpingbi,bimianfushewaixie。

電場與磁場

電磁場的特性

環境中熟悉的非游離輻射來源

凯发体育appzaiwomendeshenghuohuanjingzhong,daochudouyoudiancibo。jufangezhongyongdiandejiadianyongpin、chuanboyongdeguangbodiantai、tongxunyongdeweibojiditai、meirisuojiandeyangguang,jieshidiancibodelaiyuan,shenzhirentibenshenyehuifachudiancibo。

yibanrenweichanshengdefeiyoulifushelaiyuan,kegaifenweishepinhejidipinlianglei:shepinfeiyoulifushelaiyuanchangjiandeyouguangbodiantai、dianshizhuanbozhan、shoujihejiditai、wuxianwanglu(wi-fi);jidipinfeiyoulifushelaiyuantongchangyougezhongdianli、yongdianshebeisuochansheng,xiangshishupeidianxian、shupeidiansheshi、jiadianyongpin。

生活環境中各式各樣的電磁波

shenghuozhongxuduodianqi,ruchangyongdechuifengji、diancilu、weibolu、dianshi、xiyijidengjiadianchanpin,julishentiyuejin,diancichangqiangduyueqiang。