靜態電磁場是無所謂能量的,隻有電磁場進行輻射時,電磁場的“虛”光子才會表征為有能量的光子;當然不能混淆電磁場的勢能,即不能混淆作功能力。
靜態電磁場是無所謂能量的,隻有電磁場進行輻射時,電磁場的“虛”光子才會表征為有能量的光子;當然不能混淆電磁場的勢能,即不能混淆作功能力。
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