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%)
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)
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