https goo gltf Hq AT At breakdown the
什麼是電場? • https: //goo. gl/tf. Hq. AT
At breakdown, the electric field frees bound electrons. If the applied electric field is sufficiently high, free electrons may become accelerated to velocities that can liberate additional electrons during collisions with neutral atoms or molecules in a process called avalanche breakdown. Photo Credit : Ernest Galbrun
500, 000 volt (5 × 105 V) electrical arc https: //www. youtube. com/watch? v=6 Gi. IVze 2 Tac Electrical transmission lines at the El Dorado electrical substation near Boulder City, Nevada
50, 000 Volt Accident 美國的國家安全委員會 (National Safety Council) 明白列出人體可以安 全承受的電流最高到 0. 008 安培 (8 m. A)。 https: //www. youtube. com/watch? v=Bt. Qt. RGI 0 F 2 Q
一物質能承受最大的電場強度稱為它的 Dielectric Strength (絕緣強度) 當絕緣材質處於足夠大的電壓下會產生 Dielectric Breakdown (絕緣崩潰) http: //goo. gl/gf 1 x. JM University Physics Harris Benson 橡膠的 Dielectric Strength 約 3. 0 × 107 V/m
モンキー・D・ルフィ 身長: 172 cm http: //goo. gl/UTDZGK Photo Credit : leeyu_flickr CC BY 2. 0
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