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研究所、轉學考(插大)◆電磁學
> 93年 - 93 淡江大學 轉學考 電磁學#56055
93年 - 93 淡江大學 轉學考 電磁學#56055
科目：
研究所、轉學考(插大)◆電磁學 |
年份：
93年 |
選擇題數：
0 |
申論題數：
15
試卷資訊
所屬科目：
研究所、轉學考(插大)◆電磁學
選擇題 (0)
申論題 (15)
(a) Suppose current I
1
flows in the big loop, find the flux Φ
2
through the little loop.
(b) Suppose current I
2
flows in the little loop, find the flux Φ
1
through the big loop.
(c) Find the mutual inductances, and confirm that M
l2
= M
21
.
(a) Determine Q(t) = ? and I(t) = ?
(b) Find the total energy output of the baltery W = ?
(c) Find the fmal energy stored in the capacitor W = ?,
(d) Find the expression for B(r) = ? at a point inside the capacitor at radius r from the center, when the capacitor is being charged, (r ＜b)
(e) Find the expression for B(r) = ? at a point outside the capacitor at radius r from the center, when Ihe capacitor is being charged. (r ＞ b)
(a) Locate all the bound charges σ
b
= ? and ρ
b
= ?
【已刪除】(b) Use Gauss’s law to find
= ? in all three regions.
【已刪除】(c) Use Gauss’s law to find
= ?, and then get
=?
【已刪除】(a)求外部與内部的電場強度
= ?[方法：高斯定律]
【已刪除】(b)求外部與内部的
(c)寫出B的邊界條件*並驗證!
(d)求 energy stored in the configuralion W = ?
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= ? in all three regions.
= ?, and then get 
=?
= ?[方法：高斯定律]