作者richard0800 (sin(kx-ωt))
看板Physics
标题[问题] 请问一题有关电感的问题
时间Sat Jun 23 16:34:49 2018
【出处】考古题
【题目】A current sourse is userd to charge a coil inductor.
If the coil is compressed to half of its original length,
which quantity will not be doubled?
(A)Inductance of the coil
(B)Charge time of the coil
(C)Stored energy of the coil after it is charged
(D)Megnetic fieled in the coil
(E)None of the above
【瓶颈】解答答案是写C，但这四项看起来都会变成2倍
还是其实是我C选项理解错误
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1F：→ gout005: 这是历届吧 我记得答案是全部都会变两倍 06/23 18:41
2F：→ richard0800: 我看起来也是全部都变两倍 所以不知道是不是解答出 06/23 18:57
3F：→ richard0800: 错 06/23 18:57