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3.法拉第感應定律為:其中Φ為磁通量,許多教科書將等式右邊的負號,解釋為「抵制磁能量改變的方向」。但磁通量為純量,無方向可言。試正確詮釋法拉第感應定律式中的負號意義。 (5%)
問題詳情
3.法拉第感應定律為:
其中Φ為磁通量,許多教科書將等式右邊的負號,解釋為「抵制磁能量改變的方向」。但磁通量為純量,無方向可言。試正確詮釋法拉第感應定律式中的負號意義。 (5%)
參考答案
答案:D
難度:非常簡單0.930693
統計:A(27),B(18),C(8),D(1222),E(0)
上一篇 :
6.下列何項物質的量為 1 莫耳? (A)12 amu 的碳 (B)6.02×1023 個分子的氖 (C)22.4 升的氫氣 (D)32 克的硫(S8)。
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※西元2005年10月8日,巴基斯坦首都伊斯蘭瑪巴德附近,發生芮氏規模7.9強震,撼動了巴基斯坦、印度及阿富汗等三個國家,奪走逾8萬7千條人命,超過3百萬災民無家可歸,對該地區的發展影響甚大。請問:【
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